Medical College of Wisconsin
CTSICores SearchResearch InformaticsREDCap

X Allen Li PhD

X Allen Li PhD profile photo picture

Professor

Institution: Medical College of Wisconsin
Department: Radiation Oncology
Program: Physics

Member of the Cancer Center


Leadership Positions

  • Chief of Medical Physics, Department of Radiation Oncology
  • Publications (240)

  • Mapping transient hypoxia from in situ activation of 15O by photon beams: A simulation study (Dalah EZ, Yang C, Hart VP, Zhang Q, Hu Y, Li XA) Radiation Physics and Chemistry July 2020;172 SCOPUS ID: 2-s2.0-85080866649 07/01/2020    
  • 4D-MRI driven MR-guided online adaptive radiotherapy for abdominal stereotactic body radiation therapy on a high field MR-Linac: Implementation and initial clinical experience (Paulson ES, Ahunbay E, Chen X, Mickevicius NJ, Chen GP, Schultz C, Erickson B, Straza M, Hall WA, Li XA) Clinical and Translational Radiation Oncology July 2020;23:72-79 SCOPUS ID: 2-s2.0-85084968086 07/01/2020    
  • Feasibility of real-time motion tracking using cine MRI during MR-guided radiation therapy for abdominal targets. (Keiper TD, Tai A, Chen X, Paulson E, Lathuilière F, Bériault S, Hébert F, Cooper DT, Lachaine M, Li XA) Med Phys 2020 May 13 PMID: 32402111 SCOPUS ID: 2-s2.0-85085762226 05/14/2020    
  • Technical Note: Comprehensive performance tests of the first clinical real-time motion tracking and compensation system using MLC and jaws. (Chen GP, Tai A, Keiper TD, Lim S, Li XA) Med Phys 2020 Apr 11 PMID: 32277477 SCOPUS ID: 2-s2.0-85084444735 04/12/2020    
  • A Fast Online Replanning Algorithm Based on Intensity Field Projection for Adaptive Radiotherapy. (Liu X, Liang Y, Zhu J, Yu G, Yu Y, Cao Q, Li XA, Li B) Front Oncol 2020;10:287 PMID: 32195188 PMCID: PMC7063069 03/21/2020    
  • A Fast Online Replanning Algorithm Based on Intensity Field Projection for Adaptive Radiotherapy (Liu X, Liang Y, Zhu J, Yu G, Yu Y, Cao Q, Li XA, Li B) Frontiers in Oncology 3 March 2020;10 SCOPUS ID: 2-s2.0-85082647482 03/03/2020    
  • Auto-segmentation of pancreatic tumor in multi-parametric MRI using deep convolutional neural networks. (Liang Y, Schott D, Zhang Y, Wang Z, Nasief H, Paulson E, Hall W, Knechtges P, Erickson B, Li XA) Radiother Oncol 2020 Apr;145:193-200 PMID: 32045787 SCOPUS ID: 2-s2.0-85078961399 02/12/2020    
  • Improving Treatment Response Prediction for Chemoradiation Therapy of Pancreatic Cancer Using a Combination of Delta-Radiomics and the Clinical Biomarker CA19-9. (Nasief H, Hall W, Zheng C, Tsai S, Wang L, Erickson B, Li XA) Front Oncol 2019;9:1464 PMID: 31970088 PMCID: PMC6960122 SCOPUS ID: 2-s2.0-85078248047 01/24/2020    
  • A daily end-to-end quality assurance workflow for MR-guided online adaptive radiation therapy on MR-Linac. (Chen X, Ahunbay E, Paulson ES, Chen G, Li XA) J Appl Clin Med Phys 2020 Jan;21(1):205-212 PMID: 31799753 PMCID: PMC6964761 SCOPUS ID: 2-s2.0-85076117374 12/05/2019       1 Citation
  • Patterns of Failure Observed in the 2-Step Institution Credentialing Process for NRG Oncology/Radiation Therapy Oncology Group 1005 (NCT01349322) and Lessons Learned. (Li XA, Moughan J, White JR, Freedman GM, Arthur DW, Galvin J, Xiao Y, McNulty S, Lyons JA, Kavadi VS, Fields MT, Mitchell MP, Anderson BM, Lock MI, Kokeny KE, Bazan JG, Currey AD, Hijal T, Cheston SB, Vicini FA) Pract Radiat Oncol 2019 Nov 29 PMID: 31790823 PMCID: PMC7255922 SCOPUS ID: 2-s2.0-85077977103 12/04/2019    
  • Automated air region delineation on MRI for synthetic CT creation. (Thapa R, Ahunbay E, Nasief H, Chen X, Allen Li X) Phys Med Biol 2020 01 17;65(2):025009 PMID: 31775128 SCOPUS ID: 2-s2.0-85078512072 11/28/2019    
  • The transformation of radiation oncology using real-time magnetic resonance guidance: A review. (Hall WA, Paulson ES, van der Heide UA, Fuller CD, Raaymakers BW, Lagendijk JJW, Li XA, Jaffray DA, Dawson LA, Erickson B, Verheij M, Harrington KJ, Sahgal A, Lee P, Parikh PJ, Bassetti MF, Robinson CG, Minsky BD, Choudhury A, Tersteeg RJHA, Schultz CJ, MR Linac Atlantic Consortium and the ViewRay C2T2 Research Consortium) Eur J Cancer 2019 11;122:42-52 PMID: 31614288 SCOPUS ID: 2-s2.0-85073099937 10/16/2019       6 Citations
  • A preferred patient decubitus positioning for magnetic resonance image guided online adaptive radiation therapy of pancreatic cancer (Chen Y, Chen X, Hall W, Prior P, Zhang Y, Paulson E, Lang J, Erickson B, Li XA) Physics and Imaging in Radiation Oncology October 2019;12:22-29 SCOPUS ID: 2-s2.0-85075203914 10/01/2019    
  • Correlation of CT texture changes with treatment response during radiation therapy for esophageal cancer: An exploratory study. (Yan Z, Zhang J, Long H, Sun X, Li D, Tang T, Li XA, Hui W) PLoS One 2019;14(9):e0223140 PMID: 31557242 PMCID: PMC6762073 SCOPUS ID: 2-s2.0-85072659675 09/27/2019    
  • Estimation of changing gross tumor volume from longitudinal CTs during radiation therapy delivery based on a texture analysis with classifier algorithms: a proof-of-concept study. (Schott D, Schmidt TG, Hall W, Knechtges P, Noid G, Klawikowski S, Erickson B, Li XA) Quant Imaging Med Surg 2019 Jul;9(7):1189-1200 PMID: 31448206 PMCID: PMC6685807 SCOPUS ID: 2-s2.0-85076403234 08/27/2019    
  • Indications of Online Adaptive Replanning Based On Organ Deformation. (Lim SN, Ahunbay EE, Nasief H, Zheng C, Lawton C, Li XA) Pract Radiat Oncol 2020 Mar - Apr;10(2):e95-e102 PMID: 31446149 SCOPUS ID: 2-s2.0-85073000078 08/26/2019    
  • Texture-based, automatic contour validation for online adaptive replanning: A feasibility study on abdominal organs. (Zhang Y, Plautz TE, Hao Y, Kinchen C, Li XA) Med Phys 2019 Sep;46(9):4010-4020 PMID: 31274193 SCOPUS ID: 2-s2.0-85070238293 07/06/2019       1 Citation
  • Serial T2-Weighted Magnetic Resonance Images Acquired on a 1.5 Tesla Magnetic Resonance Linear Accelerator Reveal Radiomic Feature Variation in Organs at Risk: An Exploratory Analysis of Novel Metrics of Tissue Response in Prostate Cancer. (Lorenz JW, Schott D, Rein L, Mostafaei F, Noid G, Lawton C, Bedi M, Li XA, Schultz CJ, Paulson E, Hall WA) Cureus 2019 Apr 20;11(4):e4510 PMID: 31259119 PMCID: PMC6590865 07/02/2019    
  • Measurement validation of treatment planning for a MR-Linac. (Chen X, Paulson ES, Ahunbay E, Sanli A, Klawikowski S, Li XA) J Appl Clin Med Phys 2019 Jul;20(7):28-38 PMID: 31254376 PMCID: PMC6612768 SCOPUS ID: 2-s2.0-85068650421 06/30/2019       4 Citations
  • The Dosimetric Impact of Interfractional Organ-at-Risk Movement During Liver Stereotactic Body Radiation Therapy. (Schmid RK, Tai A, Klawikowski S, Straza M, Ramahi K, Li XA, Robbins JR) Pract Radiat Oncol 2019 Nov;9(6):e549-e558 PMID: 31176791 SCOPUS ID: 2-s2.0-85069501222 06/10/2019    
  • Local Control After Stereotactic Body Radiation Therapy for Stage I Non-Small Cell Lung Cancer. (Lee P, Loo BW Jr, Biswas T, Ding GX, El Naqa IM, Jackson A, Kong FM, LaCouture T, Miften M, Solberg T, Tome WA, Tai A, Yorke E, Li XA) Int J Radiat Oncol Biol Phys 2019 Apr 05 PMID: 30954520 SCOPUS ID: 2-s2.0-85065177271 04/08/2019       4 Citations
  • NCTN Assessment on Current Applications of Radiomics in Oncology. (Nie K, Al-Hallaq H, Li XA, Benedict SH, Sohn JW, Moran JM, Fan Y, Huang M, Knopp MV, Michalski JM, Monroe J, Obcemea C, Tsien CI, Solberg T, Wu J, Xia P, Xiao Y, El Naqa I) Int J Radiat Oncol Biol Phys 2019 06 01;104(2):302-315 PMID: 30711529 PMCID: PMC6499656 SCOPUS ID: 2-s2.0-85064671471 02/04/2019       6 Citations
  • Time stability of delta-radiomics features and the impact on patient analysis in longitudinal CT images. (Plautz TE, Zheng C, Noid G, Li XA) Med Phys 2019 Apr;46(4):1663-1676 PMID: 30695103 SCOPUS ID: 2-s2.0-85061783940 01/30/2019       3 Citations
  • Kinetic modeling of tumor regression incorporating the concept of cancer stem-like cells for patients with locally advanced lung cancer. (Zhong H, Brown S, Devpura S, Li XA, Chetty IJ) Theor Biol Med Model 2018 12 27;15(1):23 PMID: 30587218 PMCID: PMC6307263 SCOPUS ID: 2-s2.0-85059241653 12/28/2018       2 Citations
  • A Technique to Rapidly Generate Synthetic Computed Tomography for Magnetic Resonance Imaging-Guided Online Adaptive Replanning: An Exploratory Study. (Ahunbay EE, Thapa R, Chen X, Paulson E, Li XA) Int J Radiat Oncol Biol Phys 2019 04 01;103(5):1261-1270 PMID: 30550817 SCOPUS ID: 2-s2.0-85060989536 12/15/2018       2 Citations
  • Organs at Risk Considerations for Thoracic Stereotactic Body Radiation Therapy: What Is Safe for Lung Parenchyma? (Kong FS, Moiseenko V, Zhao J, Milano MT, Li L, Rimner A, Das S, Li XA, Miften M, Liao Z, Martel M, Bentzen SM, Jackson A, Grimm J, Marks LB, Yorke E) Int J Radiat Oncol Biol Phys 2018 Nov 26 PMID: 30496880 11/30/2018    
  • Magnetic Resonance-based Response Assessment and Dose Adaptation in Human Papilloma Virus Positive Tumors of the Oropharynx treated with Radiotherapy (MR-ADAPTOR): An R-IDEAL stage 2a-2b/Bayesian phase II trial. (Bahig H, Yuan Y, Mohamed ASR, Brock KK, Ng SP, Wang J, Ding Y, Hutcheson K, McCulloch M, Balter PA, Lai SY, Al-Mamgani A, Sonke JJ, van der Heide UA, Nutting C, Li XA, Robbins J, Awan M, Karam I, Newbold K, Harrington K, Oelfke U, Bhide S, Philippens MEP, Terhaard CHJ, McPartlin AJ, Blanchard P, Garden AS, Rosenthal DI, Gunn GB, Phan J, Cazoulat G, Aristophanous M, McSpadden KK, Garcia JA, van den Berg CAT, Raaijmakers CPJ, Kerkmeijer L, Doornaert P, Blinde S, Frank SJ, Fuller CD) Clin Transl Radiat Oncol 2018 Nov;13:19-23 PMID: 30386824 PMCID: PMC6204434 SCOPUS ID: 2-s2.0-85062462823 11/06/2018    
  • Variations of MRI-assessed peristaltic motions during radiation therapy. (Mostafaei F, Tai A, Omari E, Song Y, Christian J, Paulson E, Hall W, Erickson B, Li XA) PLoS One 2018;13(10):e0205917 PMID: 30359413 PMCID: PMC6201905 SCOPUS ID: 2-s2.0-85055472031 10/26/2018       3 Citations
  • Technical Note: Acceleration of online adaptive replanning with automation and parallel operations. (Zhang J, Ahunbay E, Li XA) Med Phys 2018 Oct;45(10):4370-4376 PMID: 30053325 SCOPUS ID: 2-s2.0-85054366556 07/28/2018       1 Citation
  • Feasibility of real-time lung tumor motion monitoring using intrafractional ultrasound and kV cone beam projection images. (Mostafaei F, Tai A, Gore E, Johnstone C, Haase W, Ehlers C, Cooper DT, Lachaine M, Li XA) Med Phys 2018 Oct;45(10):4619-4626 PMID: 30047160 SCOPUS ID: 2-s2.0-85052460630 07/27/2018       3 Citations
  • PET-based Treatment Response Assessment for Neoadjuvant Chemoradiation in Pancreatic Adenocarcinoma: An Exploratory Study. (Dalah E, Tai A, Oshima K, Hall WA, Erickson B, Li XA) Transl Oncol 2018 Oct;11(5):1104-1109 PMID: 30015263 PMCID: PMC6070701 07/18/2018    
  • Technical Note: Enhancing soft tissue contrast and radiation-induced image changes with dual-energy CT for radiation therapy. (Noid G, Tai A, Schott D, Mistry N, Liu Y, Gilat-Schmidt T, Robbins JR, Li XA) Med Phys 2018 Jul 04 PMID: 29972868 07/05/2018    
  • Early Prediction of Acute Xerostomia During Radiation Therapy for Head and Neck Cancer Based on Texture Analysis of Daily CT. (Wu H, Chen X, Yang X, Tao Y, Xia Y, Deng X, Zheng C, Robbins J, Schultz C, Li XA) Int J Radiat Oncol Biol Phys 2018 11 15;102(4):1308-1318 PMID: 29891201 SCOPUS ID: 2-s2.0-85048541509 06/13/2018       8 Citations
  • Appropriate magnetic resonance imaging techniques for gross tumor volume delineation in external beam radiation therapy of locally advanced cervical cancer. (Song Y, Erickson B, Chen X, Li G, Wu G, Paulson E, Knechtges P, Li XA) Oncotarget 2018 Feb 09;9(11):10100-10109 PMID: 29515794 PMCID: PMC5839375 SCOPUS ID: 2-s2.0-85041719396 03/09/2018    
  • Correlation of ADC With Pathological Treatment Response for Radiation Therapy of Pancreatic Cancer. (Dalah E, Erickson B, Oshima K, Schott D, Hall WA, Paulson E, Tai A, Knechtges P, Li XA) Transl Oncol 2018 Apr;11(2):391-398 PMID: 29455085 PMCID: PMC5852406 SCOPUS ID: 2-s2.0-85044783020 02/20/2018    
  • A fast 4D IMRT/VMAT planning method based on segment aperture morphing. (Klawikowski S, Tai A, Ates O, Ahunbay E, Li XA) Med Phys 2018 Apr;45(4):1594-1602 PMID: 29394460 SCOPUS ID: 2-s2.0-85042275205 02/03/2018       1 Citation
  • Magnetic Resonance Imaging-Guided Adaptive Radiation Therapy: A "Game Changer" for Prostate Treatment? (Pathmanathan AU, van As NJ, Kerkmeijer LGW, Christodouleas J, Lawton CAF, Vesprini D, van der Heide UA, Frank SJ, Nill S, Oelfke U, van Herk M, Li XA, Mittauer K, Ritter M, Choudhury A, Tree AC) Int J Radiat Oncol Biol Phys 2018 02 01;100(2):361-373 PMID: 29353654 SCOPUS ID: 2-s2.0-85041321822 01/23/2018       47 Citations
  • Anatomic, functional and molecular imaging in lung cancer precision radiation therapy: treatment response assessment and radiation therapy personalization. (MacManus M, Everitt S, Schimek-Jasch T, Li XA, Nestle U, Kong FS) Transl Lung Cancer Res 2017 Dec;6(6):670-688 PMID: 29218270 PMCID: PMC5709137 12/09/2017    
  • Reducing radiation dose and enhancing imaging quality of 4DCT for radiation therapy using iterative reconstruction algorithms. (Noid G, Tai A, Chen GP, Robbins J, Li XA) Adv Radiat Oncol 2017 Jul-Sep;2(3):515-521 PMID: 29114620 PMCID: PMC5605285 11/09/2017    
  • Precision Oncology and Genomically Guided Radiation Therapy: A Report From the American Society for Radiation Oncology/American Association of Physicists in Medicine/National Cancer Institute Precision Medicine Conference. (Hall WA, Bergom C, Thompson RF, Baschnagel AM, Vijayakumar S, Willers H, Li XA, Schultz CJ, Wilson GD, West CML, Capala J, Coleman CN, Torres-Roca JF, Weidhaas J, Feng FY) Int J Radiat Oncol Biol Phys 2018 06 01;101(2):274-284 PMID: 28964588 SCOPUS ID: 2-s2.0-85030158569 10/02/2017       15 Citations
  • Improving CT quality with optimized image parameters for radiation treatment planning and delivery guidance (Chen GP, Noid G, Tai A, Liu F, Lawton C, Erickson B, Li XA) Physics and Imaging in Radiation Oncology October 2017;4:6-11 SCOPUS ID: 2-s2.0-85054543692 10/01/2017    
  • Assessment of treatment response during chemoradiation therapy for pancreatic cancer based on quantitative radiomic analysis of daily CTs: An exploratory study. (Chen X, Oshima K, Schott D, Wu H, Hall W, Song Y, Tao Y, Li D, Zheng C, Knechtges P, Erickson B, Li XA) PLoS One 2017;12(6):e0178961 PMID: 28575105 PMCID: PMC5456365 SCOPUS ID: 2-s2.0-85020175046 06/03/2017       17 Citations
  • Early Assessment of Treatment Responses During Radiation Therapy for Lung Cancer Using Quantitative Analysis of Daily Computed Tomography. (Paul J, Yang C, Wu H, Tai A, Dalah E, Zheng C, Johnstone C, Kong FM, Gore E, Li XA) Int J Radiat Oncol Biol Phys 2017 06 01;98(2):463-472 PMID: 28463166 SCOPUS ID: 2-s2.0-85018356175 05/04/2017       11 Citations
  • Technical Note: Is bulk electron density assignment appropriate for MRI-only based treatment planning for lung cancer? (Prior P, Chen X, Gore E, Johnstone C, Li XA) Med Phys 2017 Jul;44(7):3437-3443 PMID: 28391596 SCOPUS ID: 2-s2.0-85021928808 04/10/2017       7 Citations
  • Recommendations for MRI-based contouring of gross tumor volume and organs at risk for radiation therapy of pancreatic cancer. (Heerkens HD, Hall WA, Li XA, Knechtges P, Dalah E, Paulson ES, van den Berg CAT, Meijer GJ, Koay EJ, Crane CH, Aitken K, van Vulpen M, Erickson BA) Pract Radiat Oncol 2017 Mar - Apr;7(2):126-136 PMID: 28089481 SCOPUS ID: 2-s2.0-85009476334 01/17/2017       15 Citations
  • SU-F-T-525: Monitordeep-Inspiratory Breathhold with a Laser Sensor for Radiation Therapy of Left Breast Cancer. (Tai A, Li DJ, Currey A, Li XA) Med Phys 2016 Jun;43(6):3584 PMID: 28048276 01/04/2017    
  • SU-G-JeP2-05: Dose Effects of a 1.5T Magnetic Field On Air-Tissue and Lung-Tissue Interfaces in MRI-Guided Radiotherapy. (Chen X, Prior P, Chen G, Schultz C, Li XA) Med Phys 2016 Jun;43(6):3660 PMID: 28047704 01/04/2017    
  • Tumor control probability modeling for stereotactic body radiation therapy of early-stage lung cancer using multiple bio-physical models. (Liu F, Tai A, Lee P, Biswas T, Ding GX, El Naqa I, Grimm J, Jackson A, Kong FS, LaCouture T, Loo B Jr, Miften M, Solberg T, Li XA) Radiother Oncol 2017 02;122(2):286-294 PMID: 27871671 PMCID: PMC5649355 SCOPUS ID: 2-s2.0-85006942616 11/23/2016       19 Citations
  • Management of independent motion between multiple targets in lung cancer radiation therapy. (Liu F, Tai A, Ahunbay E, Gore E, Johnstone C, Li XA) Pract Radiat Oncol 2017 Jan - Feb;7(1):26-34 PMID: 27742559 SCOPUS ID: 2-s2.0-85002279742 10/16/2016    
  • Clinical experience with planning, quality assurance, and delivery of burst-mode modulated arc therapy. (Kainz K, Prah D, Ahunbay E, Li XA) J Appl Clin Med Phys 2016 09 08;17(5):47-59 PMID: 27685123 PMCID: PMC5874115 SCOPUS ID: 2-s2.0-84995550727 09/30/2016    
  • Preliminary results on the feasibility of using ultrasound to monitor intrafractional motion during radiation therapy for pancreatic cancer. (Omari EA, Erickson B, Ehlers C, Quiroz F, Noid G, Cooper DT, Lachaine M, Li XA) Med Phys 2016 Sep;43(9):5252 PMID: 27587056 SCOPUS ID: 2-s2.0-84985018460 09/03/2016       10 Citations
  • Technical Note: Dose effects of 1.5 T transverse magnetic field on tissue interfaces in MRI-guided radiotherapy. (Chen X, Prior P, Chen GP, Schultz CJ, Li XA) Med Phys 2016 Aug;43(8):4797 PMID: 27487897 SCOPUS ID: 2-s2.0-84979775187 08/05/2016       20 Citations
  • An online replanning method using warm start optimization and aperture morphing for flattening-filter-free beams. (Ahunbay EE, Ates O, Li XA) Med Phys 2016 Aug;43(8):4575 PMID: 27487874 SCOPUS ID: 2-s2.0-84979052955 08/05/2016       9 Citations
  • Simple Factors Associated With Radiation-Induced Lung Toxicity After Stereotactic Body Radiation Therapy of the Thorax: A Pooled Analysis of 88 Studies. (Zhao J, Yorke ED, Li L, Kavanagh BD, Li XA, Das S, Miften M, Rimner A, Campbell J, Xue J, Jackson A, Grimm J, Milano MT, Spring Kong FM) Int J Radiat Oncol Biol Phys 2016 08 01;95(5):1357-1366 PMID: 27325482 PMCID: PMC5541363 SCOPUS ID: 2-s2.0-84990847965 06/22/2016       58 Citations
  • Technical Note: A fast online adaptive replanning method for VMAT using flattening filter free beams. (Ates O, Ahunbay EE, Moreau M, Li XA) Med Phys 2016 Jun;43(6):2756-2764 PMID: 27277022 SCOPUS ID: 2-s2.0-84969900567 06/10/2016       8 Citations
  • MRI-guided prostate adaptive radiotherapy - A systematic review. (McPartlin AJ, Li XA, Kershaw LE, Heide U, Kerkmeijer L, Lawton C, Mahmood U, Pos F, van As N, van Herk M, Vesprini D, van der Voort van Zyp J, Tree A, Choudhury A, MR-Linac consortium) Radiother Oncol 2016 06;119(3):371-80 PMID: 27162159 SCOPUS ID: 2-s2.0-84965017473 05/11/2016       63 Citations
  • An analysis of tumor control probability of stereotactic body radiation therapy for lung cancer with a regrowth model. (Tai A, Liu F, Gore E, Li XA) Phys Med Biol 2016 05 21;61(10):3903-13 PMID: 27117498 SCOPUS ID: 2-s2.0-84969508573 04/28/2016       10 Citations
  • MRI-based IMRT planning for MR-linac: comparison between CT- and MRI-based plans for pancreatic and prostate cancers. (Prior P, Chen X, Botros M, Paulson ES, Lawton C, Erickson B, Li XA) Phys Med Biol 2016 05 21;61(10):3819-42 PMID: 27089554 SCOPUS ID: 2-s2.0-84969580052 04/19/2016       22 Citations
  • Technical Note: Development and performance of a software tool for quality assurance of online replanning with a conventional Linac or MR-Linac. (Chen GP, Ahunbay E, Li XA) Med Phys 2016 Apr;43(4):1713 PMID: 27036569 SCOPUS ID: 2-s2.0-84962249160 04/03/2016       12 Citations
  • Radiation-induced CT number changes in GTV and parotid glands during the course of radiation therapy for nasopharyngeal cancer. (Xu S, Wu Z, Yang C, Ma L, Qu B, Chen G, Yao W, Wang S, Liu Y, Li XA) Br J Radiol 2016 Jun;89(1062):20140819 PMID: 27033059 PMCID: PMC5258137 SCOPUS ID: 2-s2.0-84989908321 04/02/2016       5 Citations
  • A Comparison of Lumpectomy Cavity Delineations Between Use of Magnetic Resonance Imaging and Computed Tomography Acquired With Patient in Prone Position for Radiation Therapy Planning of Breast Cancer. (Huang W, Currey A, Chen X, Li B, Bergom C, Kelly T, Wilson JF, Li XA) Int J Radiat Oncol Biol Phys 2016 Mar 15;94(4):832-40 PMID: 26972656 SCOPUS ID: 2-s2.0-84959464641 03/15/2016       4 Citations
  • Margin reduction from image guided radiation therapy for soft tissue sarcoma: Secondary analysis of Radiation Therapy Oncology Group 0630 results. (Li XA, Chen X, Zhang Q, Kirsch DG, Petersen I, DeLaney TF, Freeman CR, Trotti A, Hitchcock Y, Bedi M, Haddock M, Salerno K, Dundas G, Wang D) Pract Radiat Oncol 2016 Jul-Aug;6(4):e135-e140 PMID: 26852173 PMCID: PMC4870138 SCOPUS ID: 2-s2.0-84956597050 02/08/2016       9 Citations
  • Sensorineural Hearing Loss after Combined Intensity Modulated Radiation Therapy and Cisplatin-Based Chemotherapy for Nasopharyngeal Carcinoma. (Wang J, Chen YY, Tai A, Chen XL, Huang SM, Yang C, Bao Y, Li NW, Deng XW, Zhao C, Chen M, Li XA) Transl Oncol 2015 Dec;8(6):456-62 PMID: 26692526 PMCID: PMC4700287 12/23/2015    
  • Gradient maintenance: A new algorithm for fast online replanning. (Ahunbay EE, Li XA) Med Phys 2015 Jun;42(6):2863-76 PMID: 26127039 SCOPUS ID: 2-s2.0-84929648733 07/02/2015       8 Citations
  • Miniature spectrometer based on diffraction in a dispersive hole array. (Yang T, Xu C, Ho HP, Zhu YY, Hong XH, Wang QJ, Chen YC, Li XA, Zhou XH, Yi MD, Huang W) Opt Lett 2015 Jul 01;40(13):3217-20 PMID: 26125406 07/01/2015       12 Citations
  • Computed tomography number changes observed during computed tomography-guided radiation therapy for head and neck cancer. (Feng M, Yang C, Chen X, Xu S, Moraru I, Lang J, Schultz C, Li XA) Int J Radiat Oncol Biol Phys 2015 Apr 01;91(5):1041-7 PMID: 25832695 SCOPUS ID: 2-s2.0-84925305626 04/04/2015       17 Citations
  • Comparing the quality of passively-scattered proton and photon tomotherapy plans for brain and head and neck disease sites. (Kainz K, Firat S, Wilson JF, Schultz C, Siker M, Wang A, Olson D, Li XA) Phys Med Biol 2015 Mar 21;60(6):2167-77 PMID: 25683607 SCOPUS ID: 2-s2.0-84924658067 02/17/2015       1 Citation
  • Significant Reduction of Late Toxicities in Patients With Extremity Sarcoma Treated With Image-Guided Radiation Therapy to a Reduced Target Volume: Results of Radiation Therapy Oncology Group RTOG-0630 Trial. (Wang D, Zhang Q, Eisenberg BL, Kane JM, Li XA, Lucas D, Petersen IA, DeLaney TF, Freeman CR, Finkelstein SE, Hitchcock YJ, Bedi M, Singh AK, Dundas G, Kirsch DG) J Clin Oncol 2015 Jul 10;33(20):2231-8 PMID: 25667281 PMCID: PMC4486342 SCOPUS ID: 2-s2.0-84937835298 02/11/2015       83 Citations
  • Adaptive replanning to account for lumpectomy cavity change in sequential boost after whole-breast irradiation. (Chen X, Qiao Q, DeVries A, Li W, Currey A, Kelly T, Bergom C, Wilson JF, Li XA) Int J Radiat Oncol Biol Phys 2014 Dec 01;90(5):1208-15 PMID: 25442046 SCOPUS ID: 2-s2.0-84920161259 12/03/2014       6 Citations
  • A planning comparison of 7 irradiation options allowed in RTOG 1005 for early-stage breast cancer. (Chen GP, Liu F, White J, Vicini FA, Freedman GM, Arthur DW, Li XA) Med Dosim 2015;40(1):21-5 PMID: 25155215 PMCID: PMC4654615 SCOPUS ID: 2-s2.0-84922982708 08/27/2014       14 Citations
  • Point/Counterpoint. Online adaptive planning for prostate cancer radiotherapy is necessary and ready now. (Li XA, Wu Q, Orton CG) Med Phys 2014 Aug;41(8):080601 PMID: 25103556 SCOPUS ID: 2-s2.0-84905482310 08/12/2014       7 Citations
  • Determination of internal target volume for radiation treatment planning of esophageal cancer by using 4-dimensional computed tomography (4DCT). (Chen X, Lu H, Tai A, Johnstone C, Gore E, Li XA) Int J Radiat Oncol Biol Phys 2014 Sep 01;90(1):102-9 PMID: 25015201 SCOPUS ID: 2-s2.0-84905916675 07/13/2014       8 Citations
  • Consolidating duodenal and small bowel toxicity data via isoeffective dose calculations based on compiled clinical data. (Prior P, Tai A, Erickson B, Allen Li X) Pract Radiat Oncol 2014 Mar-Apr;4(2):e125-e131 PMID: 24890358 SCOPUS ID: 2-s2.0-84896700388 06/04/2014       4 Citations
  • Variability of target and normal structure delineation using multimodality imaging for radiation therapy of pancreatic cancer. (Dalah E, Moraru I, Paulson E, Erickson B, Li XA) Int J Radiat Oncol Biol Phys 2014 Jul 01;89(3):633-40 PMID: 24755533 SCOPUS ID: 2-s2.0-84902214624 04/24/2014       26 Citations
  • Combined online and offline adaptive radiation therapy: a dosimetric feasibility study. (Yang C, Liu F, Ahunbay E, Chang YW, Lawton C, Schultz C, Wang D, Firat S, Erickson B, Li XA) Pract Radiat Oncol 2014 Jan-Feb;4(1):e75-83 PMID: 24621436 SCOPUS ID: 2-s2.0-84890868988 03/14/2014       10 Citations
  • Radiation dose responses for chemoradiation therapy of pancreatic cancer: an analysis of compiled clinical data using biophysical models. (Moraru IC, Tai A, Erickson B, Li XA) Pract Radiat Oncol 2014 Jan-Feb;4(1):13-9 PMID: 24621418 SCOPUS ID: 2-s2.0-84890883076 03/14/2014       19 Citations
  • Statistical modeling approach to quantitative analysis of interobserver variability in breast contouring. (Yang J, Woodward WA, Reed VK, Strom EA, Perkins GH, Tereffe W, Buchholz TA, Zhang L, Balter P, Court LE, Li XA, Dong L) Int J Radiat Oncol Biol Phys 2014 May 01;89(1):214-21 PMID: 24613812 PMCID: PMC3997068 SCOPUS ID: 2-s2.0-84898903658 03/13/2014       13 Citations
  • Assessment and management of interfractional variations in daily diagnostic-quality-CT guided prostate-bed irradiation after prostatectomy. (Liu F, Ahunbay E, Lawton C, Li XA) Med Phys 2014 Mar;41(3):031710 PMID: 24593714 SCOPUS ID: 2-s2.0-84896817518 03/07/2014       12 Citations
  • [Accelerator beam data commissioning equipment and procedures: report of the TG-106 of the therapy physics committee of the AAPM]. (Das IJ, Cheng CW, Watts RJ, Ahnesjö A, Gibbons J, Li XA, Lowenstein J, Mitra RK, Simon WE, Zhu TC) Igaku Butsuri 2013;33(1):16-55 PMID: 24466654 SCOPUS ID: 2-s2.0-84897018135 01/29/2014    
  • Evaluation of interfraction patient setup errors for image-guided prostate and head-and-neck radiotherapy using kilovoltage cone beam and megavoltage fan beam computed tomography (Qi XS, Wu S, Newman F, Li XA, Hu AY) Journal of Radiotherapy in Practice December 2013;12(4):334-343 SCOPUS ID: 2-s2.0-84893080449 12/01/2013    
  • A phase I/II study piloting accelerated partial breast irradiation using CT-guided intensity modulated radiation therapy in the prone position. (Bergom C, Prior P, Kainz K, Morrow NV, Ahunbay EE, Walker A, Allen Li X, White J) Radiother Oncol 2013 Aug;108(2):215-9 PMID: 23932158 SCOPUS ID: 2-s2.0-84885371100 08/13/2013       10 Citations
  • Cardiac injury after 10 gy total body irradiation: indirect role of effects on abdominal organs. (Lenarczyk M, Lam V, Jensen E, Fish BL, Su J, Koprowski S, Komorowski RA, Harmann L, Migrino RQ, Li XA, Hopewell JW, Moulder JE, Baker JE) Radiat Res 2013 Sep;180(3):247-58 PMID: 23919311 PMCID: PMC4042860 SCOPUS ID: 2-s2.0-84884273934 08/08/2013       27 Citations
  • Comparison of various online strategies to account for interfractional variations for pancreatic cancer. (Ahunbay EE, Kimura B, Liu F, Erickson BA, Li XA) Int J Radiat Oncol Biol Phys 2013 Aug 01;86(5):914-21 PMID: 23845843 SCOPUS ID: 2-s2.0-84880026134 07/13/2013       9 Citations
  • Management of respiration-induced motion with 4-dimensional computed tomography (4DCT) for pancreas irradiation. (Tai A, Liang Z, Erickson B, Li XA) Int J Radiat Oncol Biol Phys 2013 Aug 01;86(5):908-13 PMID: 23688811 SCOPUS ID: 2-s2.0-84880045074 05/22/2013       23 Citations
  • Assessment of interfraction patient setup for head-and-neck cancer intensity modulated radiation therapy using multiple computed tomography-based image guidance. (Qi XS, Hu AY, Lee SP, Lee P, DeMarco J, Li XA, Steinberg ML, Kupelian P, Low D) Int J Radiat Oncol Biol Phys 2013 Jul 01;86(3):432-9 PMID: 23474111 SCOPUS ID: 2-s2.0-84880633903 03/12/2013       11 Citations
  • TU-E-BRA-01: A Comparison of Various Online Strategies to Account for Interfractional Variations for Pancreatic Cancer. (Ahunbay E, Liu F, Yang C, Li X) Med Phys 2012 Jun;39(6Part24):3910 PMID: 28518702 SCOPUS ID: 2-s2.0-85024802712 06/01/2012    
  • Accumulating daily-varied dose distributions of prostate radiation therapy with soft-tissue-based kV CT guidance. (Godley A, Ahunbay E, Peng C, Li XA) J Appl Clin Med Phys 2012 May 10;13(3):3859 PMID: 22584178 PMCID: PMC5716564 SCOPUS ID: 2-s2.0-84866769579 05/16/2012       14 Citations
  • Implementation of remote 3-dimensional image guided radiation therapy quality assurance for radiation therapy oncology group clinical trials. (Cui Y, Galvin JM, Parker W, Breen S, Yin FF, Cai J, Papiez LS, Li XA, Bednarz G, Chen W, Xiao Y) Int J Radiat Oncol Biol Phys 2013 Jan 01;85(1):271-7 PMID: 22541964 SCOPUS ID: 2-s2.0-84871361868 05/01/2012       8 Citations
  • Simultaneous irradiation of the breast and regional lymph nodes in prone position using helical tomotherapy. (Kainz K, White J, Chen GP, Hermand J, England M, Li XA) Br J Radiol 2012 Oct;85(1018):e899-905 PMID: 22457317 PMCID: PMC3474030 SCOPUS ID: 2-s2.0-84866867343 03/30/2012       6 Citations
  • Characterization and management of interfractional anatomic changes for pancreatic cancer radiotherapy. (Liu F, Erickson B, Peng C, Li XA) Int J Radiat Oncol Biol Phys 2012 Jul 01;83(3):e423-9 PMID: 22436785 SCOPUS ID: 2-s2.0-84862815717 03/23/2012       53 Citations
  • Impact of computed tomography image quality on image-guided radiation therapy based on soft tissue registration. (Morrow NV, Lawton CA, Qi XS, Li XA) Int J Radiat Oncol Biol Phys 2012 Apr 01;82(5):e733-8 PMID: 22349041 SCOPUS ID: 2-s2.0-84862816268 02/22/2012       26 Citations
  • An Estimation of Radiobiological Parameters for Head-and-Neck Cancer Cells and the Clinical Implications. (Qi XS, Yang Q, Lee SP, Li XA, Wang D) Cancers (Basel) 2012 Jun 15;4(2):566-80 PMID: 24213325 PMCID: PMC3712697 01/01/2012    
  • A Comment on Qi et al. An Estimation of Radiobiological Parameters for Head-and-Neck Cancer Cells and the Clinical Implications-Authors' Reply. (Qi XS, Yang QH, Lee S, Li XA, Wang D) Cancers (Basel) 2012 Dec 27;5(1):12-4 PMID: 24356571 PMCID: PMC3730316 01/01/2012    
  • TH‐E‐218‐09: Extracting Patient‐Specific Radiobiological Parameters for Radiobiologically Adaptive Radiotherapy Based on Radiation Response for Lung Cancer (Tai A, Gore E, li X) Medical Physics June 2012;39(6):4019 SCOPUS ID: 2-s2.0-85024817120 01/01/2012    
  • SU‐C‐BRB‐03: Modeling of Radiation‐Induced Sensorineural Hearing Loss from IMRT and Chemotherapy for Nasopharyngeal Carcinoma (Tai A, Wang J, Bao Y, Chen M, li X) Medical Physics June 2012;39(6):3601 SCOPUS ID: 2-s2.0-85024800054 01/01/2012    
  • Collapsed-cone based deformation field regularization for nonrigid image registration (Zhou B, Yu CX, Godley A, Li XA, Hu XS, Chen DZ) Proceedings - International Symposium on Biomedical Imaging 2011:1205-1208 SCOPUS ID: 2-s2.0-80055037584 11/02/2011    
  • Development of an online adaptive solution to account for inter- and intra-fractional variations. (Li XA, Liu F, Tai A, Ahunbay E, Chen G, Kelly T, Lawton C, Erickson B) Radiother Oncol 2011 Sep;100(3):370-4 PMID: 21924781 SCOPUS ID: 2-s2.0-80054084236 09/20/2011       24 Citations
  • Lymphedema and arm symptoms following three-dimensional conformal radiation therapy (3DCRT) for node-positive breast cancer (BC) patients. (Sparks I, Prior P, Xiang Q, Li XA, Yen TW, White JR) J Clin Oncol 2011 Sep 20;29(27_suppl):130 PMID: 27958152 09/20/2011    
  • Internal margin assessment using cine MRI analysis of deglutition in head and neck cancer radiotherapy. (Paulson ES, Bradley JA, Wang D, Ahunbay EE, Schultz C, Li XA) Med Phys 2011 Apr;38(4):1740-7 PMID: 21626908 SCOPUS ID: 2-s2.0-79953644699 06/02/2011       10 Citations
  • Validation of an online replanning technique for prostate adaptive radiotherapy. (Peng C, Chen G, Ahunbay E, Wang D, Lawton C, Li XA) Phys Med Biol 2011 Jun 21;56(12):3659-68 PMID: 21610293 SCOPUS ID: 2-s2.0-79958090578 05/26/2011       18 Citations
  • Interfractional target variations for partial breast irradiation. (Ahunbay EE, Robbins J, Christian R, Godley A, White J, Li XA) Int J Radiat Oncol Biol Phys 2012 Apr 01;82(5):1594-604 PMID: 21570200 SCOPUS ID: 2-s2.0-84858698956 05/17/2011       10 Citations
  • The dosimetric and delivery advantages of a new 160-leaf MLC. (Prah DE, Kainz K, Peng C, Li XA) Technol Cancer Res Treat 2011 Jun;10(3):219-29 PMID: 21517128 04/27/2011    
  • Respiration induced heart motion and indications of gated delivery for left-sided breast irradiation. (Qi XS, Hu A, Wang K, Newman F, Crosby M, Hu B, White J, Li XA) Int J Radiat Oncol Biol Phys 2012 Apr 01;82(5):1605-11 PMID: 21489710 SCOPUS ID: 2-s2.0-84858701520 04/15/2011       20 Citations
  • Is α/β for breast cancer really low? (Qi XS, White J, Li XA) Radiother Oncol 2011 Aug;100(2):282-8 PMID: 21367477 SCOPUS ID: 2-s2.0-80051785836 03/04/2011       68 Citations
  • Dynamic MRI analysis of tumor and organ motion during rest and deglutition and margin assessment for radiotherapy of head-and-neck cancer. (Bradley JA, Paulson ES, Ahunbay E, Schultz C, Li XA, Wang D) Int J Radiat Oncol Biol Phys 2011 Dec 01;81(5):e803-12 PMID: 21300480 SCOPUS ID: 2-s2.0-81855184914 02/09/2011       23 Citations
  • Multi-system verification of registrations for image-guided radiotherapy in clinical trials. (Cui Y, Galvin JM, Straube WL, Bosch WR, Purdy JA, Li XA, Xiao Y) Int J Radiat Oncol Biol Phys 2011 Sep 01;81(1):305-12 PMID: 21236596 PMCID: PMC3129475 SCOPUS ID: 2-s2.0-79961128893 01/18/2011       10 Citations
  • TU‐E‐BRC‐05: “Step and Shoot MRI:” a Simple Acquisition Method to Reduce Gradient Nonlinearity‐Induced Geometric Distortions for Radiation Treatment Planning (Paulson ES, Prost RW, li XA) Medical Physics June 2011;38(6):3770 SCOPUS ID: 2-s2.0-84998548722 01/01/2011    
  • TH‐C‐BRA‐04: Online Adaptive Radiotherapy for Prostate Cancer: Clinical Implementation and Initial Experience (li XA, Ahunbay E, Peng C, Chen G, Liu F, Lawton C) Medical Physics June 2011;38(6):3852-3853 SCOPUS ID: 2-s2.0-85024791459 01/01/2011    
  • SU‐E‐T‐814: Dosimetric Feasibility of Dose Escalation with Gated IG‐IMRT for Pancreatic Cancer (Liu F, li XA) Medical Physics June 2011;38(6):3678 SCOPUS ID: 2-s2.0-85024823002 01/01/2011    
  • SU‐E‐T‐647: Quality of Prostate IMRT Plans Generated Using Biological versus Dose‐Volume Constraints (Semenenko VA, Chen G, Lawton CA, li XA) Medical Physics June 2011;38(6):3638 SCOPUS ID: 2-s2.0-85024825576 01/01/2011    
  • The role of image guided radiotherapy in the treatment of soft tissue sarcoma (Bradley JA, Kainz K, Li XA, Wang D) Current Cancer Therapy Reviews 2010;6(3):207-213 SCOPUS ID: 2-s2.0-77958028540 10/25/2010    
  • Characterizing interfraction variations and their dosimetric effects in prostate cancer radiotherapy. (Peng C, Ahunbay E, Chen G, Anderson S, Lawton C, Li XA) Int J Radiat Oncol Biol Phys 2011 Mar 01;79(3):909-14 PMID: 20732764 SCOPUS ID: 2-s2.0-79551468706 08/25/2010       46 Citations
  • Tools for consensus analysis of experts' contours for radiotherapy structure definitions. (Allozi R, Li XA, White J, Apte A, Tai A, Michalski JM, Bosch WR, El Naqa I) Radiother Oncol 2010 Dec;97(3):572-8 PMID: 20708285 PMCID: PMC3116271 SCOPUS ID: 2-s2.0-78651519718 08/17/2010       60 Citations
  • Respiratory organ motion and dosimetric impact on breast and nodal irradiation. (Qi XS, White J, Rabinovitch R, Merrell K, Sood A, Bauer A, Wilson JF, Miften M, Li XA) Int J Radiat Oncol Biol Phys 2010 Oct 01;78(2):609-17 PMID: 20472366 SCOPUS ID: 2-s2.0-79151472430 05/18/2010       31 Citations
  • Online adaptive replanning method for prostate radiotherapy. (Ahunbay EE, Peng C, Holmes S, Godley A, Lawton C, Li XA) Int J Radiat Oncol Biol Phys 2010 Aug 01;77(5):1561-72 PMID: 20362401 SCOPUS ID: 2-s2.0-77955506120 04/07/2010       56 Citations
  • Radiation-associated liver injury. (Pan CC, Kavanagh BD, Dawson LA, Li XA, Das SK, Miften M, Ten Haken RK) Int J Radiat Oncol Biol Phys 2010 Mar 01;76(3 Suppl):S94-100 PMID: 20171524 PMCID: PMC4388033 SCOPUS ID: 2-s2.0-76449115024 03/05/2010       347 Citations
  • Radiation dose-volume effects in the brain. (Lawrence YR, Li XA, el Naqa I, Hahn CA, Marks LB, Merchant TE, Dicker AP) Int J Radiat Oncol Biol Phys 2010 Mar 01;76(3 Suppl):S20-7 PMID: 20171513 PMCID: PMC3554255 SCOPUS ID: 2-s2.0-76449114596 03/05/2010       366 Citations
  • Radiation-associated kidney injury. (Dawson LA, Kavanagh BD, Paulino AC, Das SK, Miften M, Li XA, Pan C, Ten Haken RK, Schultheiss TE) Int J Radiat Oncol Biol Phys 2010 Mar 01;76(3 Suppl):S108-15 PMID: 20171504 SCOPUS ID: 2-s2.0-76449087155 03/05/2010       132 Citations
  • Radiation dose-volume effects in the stomach and small bowel. (Kavanagh BD, Pan CC, Dawson LA, Das SK, Li XA, Ten Haken RK, Miften M) Int J Radiat Oncol Biol Phys 2010 Mar 01;76(3 Suppl):S101-7 PMID: 20171503 SCOPUS ID: 2-s2.0-76449104629 03/05/2010       284 Citations
  • Gated treatment delivery verification with on-line megavoltage fluoroscopy. (Tai A, Christensen JD, Gore E, Khamene A, Boettger T, Li XA) Int J Radiat Oncol Biol Phys 2010 Apr;76(5):1592-8 PMID: 20133069 SCOPUS ID: 2-s2.0-77949569698 02/06/2010       13 Citations
  • SU‐GG‐J‐108: Validation Study of a Software Tool for Consensus Analysis of Experts' Contours for Generating Atlases of Radiotherapy Target and Normal Structures (Al‐lozi R, li X, White J, Tai A, Michalski J, Bosch W, el Naqa I) Medical Physics June 2010;37(6):3170 SCOPUS ID: 2-s2.0-85024823608 01/01/2010    
  • Report of AAPM Therapy Physics Committee Task Group 74: in-air output ratio, Sc, for megavoltage photon beams. (Zhu TC, Ahnesjö A, Lam KL, Li XA, Ma CM, Palta JR, Sharpe MB, Thomadsen B, Tailor RC, AAPM Therapy Physics Committee Task Group 74) Med Phys 2009 Nov;36(11):5261-91 PMID: 19994536 SCOPUS ID: 2-s2.0-70449397126 12/10/2009       59 Citations
  • An on-line replanning method for head and neck adaptive radiotherapy. (Ahunbay EE, Peng C, Godley A, Schultz C, Li XA) Med Phys 2009 Oct;36(10):4776-90 PMID: 19928108 SCOPUS ID: 2-s2.0-70349653543 11/26/2009       38 Citations
  • Improved critical structure sparing with biologically based IMRT optimization. (Qi XS, Semenenko VA, Li XA) Med Phys 2009 May;36(5):1790-9 PMID: 19544798 06/24/2009    
  • Automated registration of large deformations for adaptive radiation therapy of prostate cancer. (Godley A, Ahunbay E, Peng C, Li XA) Med Phys 2009 Apr;36(4):1433-41 PMID: 19472650 SCOPUS ID: 2-s2.0-63849158774 05/29/2009       44 Citations
  • Investigation of helical tomotherapy for partial-breast irradiation of prone-positioned patients. (Kainz K, White J, Herman J, Li XA) Int J Radiat Oncol Biol Phys 2009 May 01;74(1):275-82 PMID: 19362247 SCOPUS ID: 2-s2.0-64049118515 04/14/2009       18 Citations
  • Extrapolation of normal tissue complication probability for different fractionations in liver irradiation. (Tai A, Erickson B, Li XA) Int J Radiat Oncol Biol Phys 2009 May 01;74(1):283-9 PMID: 19289259 SCOPUS ID: 2-s2.0-64049108293 03/18/2009       19 Citations
  • Variability of target and normal structure delineation for breast cancer radiotherapy: an RTOG Multi-Institutional and Multiobserver Study. (Li XA, Tai A, Arthur DW, Buchholz TA, Macdonald S, Marks LB, Moran JM, Pierce LJ, Rabinovitch R, Taghian A, Vicini F, Woodward W, White JR, Radiation Therapy Oncology Group Multi-Institutional and Multiobserver Study) Int J Radiat Oncol Biol Phys 2009 Mar 01;73(3):944-51 PMID: 19215827 PMCID: PMC2911777 SCOPUS ID: 2-s2.0-59649104440 02/14/2009       196 Citations
  • Evaluation of a commercial biologically based IMRT treatment planning system. (Semenenko VA, Reitz B, Day E, Qi XS, Miften M, Li XA) Med Phys 2008 Dec;35(12):5851-60 PMID: 19175141 SCOPUS ID: 2-s2.0-56749175428 01/30/2009       55 Citations
  • A comparison of daily megavoltage CT and ultrasound image guided radiation therapy for prostate cancer. (Peng C, Kainz K, Lawton C, Li XA) Med Phys 2008 Dec;35(12):5619-28 PMID: 19175119 SCOPUS ID: 2-s2.0-56749165429 01/30/2009       23 Citations
  • MO‐EE‐A3‐05: Improving the Temporal Resolution of Dynamic MRI by Deformable Alignment of the Peripheral K‐Space (Ahunbay E, Paulson E, Godley A, Li XA) Medical Physics June 2009;36(6):2705 SCOPUS ID: 2-s2.0-79953658188 01/01/2009    
  • Accelerator beam data commissioning equipment and procedures: report of the TG-106 of the Therapy Physics Committee of the AAPM. (Das IJ, Cheng CW, Watts RJ, Ahnesjö A, Gibbons J, Li XA, Lowenstein J, Mitra RK, Simon WE, Zhu TC, TG-106 of the Therapy Physics Committee of the AAPM) Med Phys 2008 Sep;35(9):4186-215 PMID: 18841871 SCOPUS ID: 2-s2.0-50449083499 10/10/2008       213 Citations
  • An on-line replanning scheme for interfractional variations. (Ahunbay EE, Peng C, Chen GP, Narayanan S, Yu C, Lawton C, Li XA) Med Phys 2008 Aug;35(8):3607-15 PMID: 18777921 SCOPUS ID: 2-s2.0-48349124822 09/10/2008       88 Citations
  • Automated computer optimization for 3D treatment planning of breast irradiation. (Chen GP, Ahunbay E, Li XA) Med Phys 2008 Jun;35(6):2253-8 PMID: 18649455 SCOPUS ID: 2-s2.0-44349099243 07/25/2008       10 Citations
  • Dosimetric impact of intrafraction motion for compensator-based proton therapy of lung cancer. (Zhao L, Sandison GA, Farr JB, Hsi WC, Li XA) Phys Med Biol 2008 Jun 21;53(12):3343-64 PMID: 18523345 SCOPUS ID: 2-s2.0-45949094329 06/05/2008       16 Citations
  • Irradiation of varying volumes of rat lung to same mean lung dose: a little to a lot or a lot to a little? (Semenenko VA, Molthen RC, Li C, Morrow NV, Li R, Ghosh SN, Medhora MM, Li XA) Int J Radiat Oncol Biol Phys 2008 Jul 01;71(3):838-47 PMID: 18439765 SCOPUS ID: 2-s2.0-44449123472 04/29/2008       27 Citations
  • A Monte-Carlo derived dual-source model for helical tomotherapy treatment planning. (Hsiao Y, Stewart RD, Li XA) Technol Cancer Res Treat 2008 Apr;7(2):141-7 PMID: 18345703 SCOPUS ID: 2-s2.0-42349099637 03/19/2008    
  • Synergistic effect of 15-lipoxygenase 2 and radiation in killing head-and-neck cancer. (Yang Q, Feng Y, Schultz CJ, Li XA, Wu H, Wang D) Cancer Gene Ther 2008 May;15(5):323-30 PMID: 18292796 SCOPUS ID: 2-s2.0-41949103643 02/23/2008       7 Citations
  • Patient-specific margins for proton therapy of lung. (Zhao L, Sandison GA, Farr JB, Hsi WC, Wu H, Li XA) Australas Phys Eng Sci Med 2007 Dec;30(4):344-8 PMID: 18274078 02/16/2008    
  • Estimate of radiobiologic parameters from clinical data for biologically based treatment planning for liver irradiation. (Tai A, Erickson B, Khater KA, Li XA) Int J Radiat Oncol Biol Phys 2008 Mar 01;70(3):900-7 PMID: 18262101 SCOPUS ID: 2-s2.0-38849119784 02/12/2008       37 Citations
  • Lyman-Kutcher-Burman NTCP model parameters for radiation pneumonitis and xerostomia based on combined analysis of published clinical data. (Semenenko VA, Li XA) Phys Med Biol 2008 Feb 07;53(3):737-55 PMID: 18199912 SCOPUS ID: 2-s2.0-41849108052 01/18/2008       79 Citations
  • SU‐GG‐J‐191: Use of Megavoltage Fluoroscopy and Cone‐Beam CT for On‐Line Verification During 4D/gated Delivery (Tai A, Christensen J, Gore E, Khamene A, Boettger T, li XA) Medical Physics June 2008;35(6):2723 SCOPUS ID: 2-s2.0-85024800972 01/01/2008    
  • TH‐C‐AUD C‐04: An Online Correction Method for Interfractional Variations in Head and Neck Cancer (Ahunbay E, Chen G, Peng C, Schultz C, Li X) Medical Physics June 2008;35(6):2972 SCOPUS ID: 2-s2.0-85024784869 01/01/2008    
  • WE‐C‐AUD B‐08: Biologically Based Corrections for Interfraction Variations During Prostate Cancer Radiation Therapy (Park JH, li XA, Godley A, Stewart RD) Medical Physics June 2008;35(6):2934 SCOPUS ID: 2-s2.0-85024812299 01/01/2008    
  • A novel image based verification method for respiratory motion management in radiation therapy (Khamene A, Schaller C, Hornegger J, Celi JC, Ofstad B, Rietzel E, Li XA, Tai A, Bayouth J) Proceedings of the IEEE International Conference on Computer Vision 2007 SCOPUS ID: 2-s2.0-50649096619 12/01/2007    
  • Designing equivalent treatment regimens for prostate radiotherapy based on equivalent uniform dose. (Li XA, Wang JZ, Stewart RD, Dibiase SJ, Wang D, Lawton CA) Br J Radiol 2008 Jan;81(961):59-68 PMID: 18039721 SCOPUS ID: 2-s2.0-38449113806 11/28/2007       9 Citations
  • BGRT: biologically guided radiation therapy-the future is fast approaching! (Stewart RD, Li XA) Med Phys 2007 Oct;34(10):3739-51 PMID: 17985619 SCOPUS ID: 2-s2.0-34748922860 11/08/2007       40 Citations
  • Intra- and interfractional variations for prone breast irradiation: an indication for image-guided radiotherapy. (Morrow NV, Stepaniak C, White J, Wilson JF, Li XA) Int J Radiat Oncol Biol Phys 2007 Nov 01;69(3):910-7 PMID: 17889272 SCOPUS ID: 2-s2.0-34548699117 09/25/2007       46 Citations
  • Investigation of the reliability, accuracy, and efficiency of gated IMRT delivery with a commercial linear accelerator. (Ahunbay E, Li XA) Med Phys 2007 Jul;34(7):2928-38 PMID: 17822001 SCOPUS ID: 2-s2.0-34347401026 09/08/2007       12 Citations
  • Possible fractionated regimens for image-guided intensity-modulated radiation therapy of large arteriovenous malformations. (Qi XS, Schultz CJ, Li XA) Phys Med Biol 2007 Sep 21;52(18):5667-82 PMID: 17804888 SCOPUS ID: 2-s2.0-35848966561 09/07/2007       15 Citations
  • Comparison of three accelerated partial breast irradiation techniques: treatment effectiveness based upon biological models. (Bovi J, Qi XS, White J, Li XA) Radiother Oncol 2007 Sep;84(3):226-32 PMID: 17692980 SCOPUS ID: 2-s2.0-34548426599 08/19/2007       42 Citations
  • Role of the angiotensin II type-2 receptor in radiation nephropathy. (Cohen EP, Fish BL, Sharma M, Li XA, Moulder JE) Transl Res 2007 Aug;150(2):106-15 PMID: 17656330 PMCID: PMC2034340 SCOPUS ID: 2-s2.0-34447542611 07/28/2007       18 Citations
  • Development of an inverse optimization package to plan nonuniform dose distributions based on spatially inhomogeneous radiosensitivity extracted from biological images. (Chen GP, Ahunbay E, Schultz C, Li XA) Med Phys 2007 Apr;34(4):1198-205 PMID: 17500451 SCOPUS ID: 2-s2.0-34147140787 05/16/2007       18 Citations
  • Point/counterpoint. Respiratory gating for radiation therapy is not ready for prime time. (Li XA, Keall PJ, Orton CG) Med Phys 2007 Mar;34(3):867-70 PMID: 17441231 SCOPUS ID: 2-s2.0-33847670074 04/19/2007       24 Citations
  • Radiation oncology physicists will need to better understand medical imaging. (Li XA, Hendee WR) J Am Coll Radiol 2007 Jan;4(1):40-4 PMID: 17412223 04/07/2007    
  • Interfractional variations in patient setup and anatomic change assessed by daily computed tomography. (Li XA, Qi XS, Pitterle M, Kalakota K, Mueller K, Erickson BA, Wang D, Schultz CJ, Firat SY, Wilson JF) Int J Radiat Oncol Biol Phys 2007 Jun 01;68(2):581-91 PMID: 17331669 SCOPUS ID: 2-s2.0-34247893798 03/03/2007       90 Citations
  • Direct aperture optimization-based intensity-modulated radiotherapy for whole breast irradiation. (Ahunbay EE, Chen GP, Thatcher S, Jursinic PA, White J, Albano K, Li XA) Int J Radiat Oncol Biol Phys 2007 Mar 15;67(4):1248-58 PMID: 17275205 SCOPUS ID: 2-s2.0-33847319702 02/06/2007       53 Citations
  • WE‐D‐M100J‐05: Estimation of Tumor Control Probability Model Parameters for Early Stage Non‐Small‐Cell Lung Cancer (NSCLC) (Semenenko V, Gore E, li X) Medical Physics June 2007;34(6):2603 SCOPUS ID: 2-s2.0-85024778103 01/01/2007    
  • SU‐FF‐J‐28: A Software Tool for On‐Line Real‐Time Verification of Gated Delivery Using Megavoltage Fluoroscopy (Tai A, Christensen J, Khamene A, Bayouth J, Boettger T, Celi J, li X) Medical Physics June 2007;34(6):2374 SCOPUS ID: 2-s2.0-85024814976 01/01/2007    
  • TU‐FF‐A2‐03: Image‐Guided Helical Tomotherapy to Treat Advanced Cancers of the Scalp: Prospects for Dose Conformity and Clinical Outcome (Kainz K, Wilson JF, Schultz C, Jursinic P, li XA) Medical Physics June 2007;34(6):2576 SCOPUS ID: 2-s2.0-85024788691 01/01/2007    
  • SU‐FF‐T‐95: Biologically Guided Determination of Individualized Dose Distributions (Park JH, li XA, Stewart RD) Medical Physics June 2007;34(6):2422 SCOPUS ID: 2-s2.0-85024777243 01/01/2007    
  • Halftime for repair of sublethal damage in normal bladder and rectum: an analysis of clinical data from cervix brachytherapy. (Guerrero M, Li XA) Phys Med Biol 2006 Aug 21;51(16):4063-71 PMID: 16885624 SCOPUS ID: 2-s2.0-33746789881 08/04/2006       16 Citations
  • Dose escalation to combat hypoxia in prostate cancer: a radiobiological study on clinical data. (Wang JZ, Li XA, Mayr NA) Br J Radiol 2006 Nov;79(947):905-11 PMID: 16885177 SCOPUS ID: 2-s2.0-33751232289 08/04/2006       27 Citations
  • Initial experience of FDG-PET/CT guided IMRT of head-and-neck carcinoma. (Wang D, Schultz CJ, Jursinic PA, Bialkowski M, Zhu XR, Brown WD, Rand SD, Michel MA, Campbell BH, Wong S, Li XA, Wilson JF) Int J Radiat Oncol Biol Phys 2006 May 01;65(1):143-51 PMID: 16618577 SCOPUS ID: 2-s2.0-33645964284 04/19/2006       114 Citations
  • An estimation of radiobiologic parameters from clinical outcomes for radiation treatment planning of brain tumor. (Qi XS, Schultz CJ, Li XA) Int J Radiat Oncol Biol Phys 2006 Apr 01;64(5):1570-80 PMID: 16580506 SCOPUS ID: 2-s2.0-33645339524 04/04/2006       26 Citations
  • Technical and dosimetric aspects of respiratory gating using a pressure-sensor motion monitoring system. (Li XA, Stepaniak C, Gore E) Med Phys 2006 Jan;33(1):145-54 PMID: 16485421 SCOPUS ID: 2-s2.0-31044436279 02/21/2006       130 Citations
  • TU‐E‐ValB‐06: Direct Aperture Optimization Based Step‐And‐Shoot IMRT with Respiratory Gating (Ahunbay E, Jursinic P, li XA) Medical Physics June 2006;33(6):2217 SCOPUS ID: 2-s2.0-85024820048 01/01/2006    
  • MO‐D‐224A‐03: Dependence of Planar IMRT QA On MLC Positional Inaccuracies (Ahunbay E, Jursinic P, li XA) Medical Physics June 2006;33(6):2167 SCOPUS ID: 2-s2.0-85024776552 01/01/2006    
  • Improving patient-specific dosimetry for intravascular brachytherapy. (Li XA, O'Neill M, Suntharalingam M) Brachytherapy 2005;4(4):291-7 PMID: 16344260 SCOPUS ID: 2-s2.0-28844449631 12/14/2005       2 Citations
  • Using a photon phase-space source for convolution/superposition dose calculations in radiation therapy. (Naqvi SA, D'Souza WD, Earl MA, Ye SJ, Shih R, Li XA) Phys Med Biol 2005 Sep 07;50(17):4111-24 PMID: 16177534 SCOPUS ID: 2-s2.0-24044529492 09/24/2005       7 Citations
  • Dose perturbations due to contrast medium and air in mammosite treatment: an experimental and Monte Carlo study. (Cheng CW, Mitra R, Li XA, Das IJ) Med Phys 2005 Jul;32(7):2279-87 PMID: 16121583 SCOPUS ID: 2-s2.0-22544453284 08/27/2005       28 Citations
  • Over the next decade the success of radiation treatment planning will be judged by the immediate biological response of tumor cells rather than by surrogate measures such as dose maximization and uniformity. (Ling CC, Li XA) Med Phys 2005 Jul;32(7):2189-92 PMID: 16121572 SCOPUS ID: 2-s2.0-22544464126 08/27/2005       27 Citations
  • Over the next decade the success of radiation treatment planning will be judged by the immediate biological response of tumor cells rather than by surrogate measures such as dose maximization and uniformity. (Ling CC, Li XA, Hendee WR) Med Phys 2005 Jul;32(7Part1):2189-2192 PMID: 28493589 07/01/2005    
  • Simultaneous integrated intensity-modulated radiotherapy boost for locally advanced gynecological cancer: radiobiological and dosimetric considerations. (Guerrero M, Li XA, Ma L, Linder J, Deyoung C, Erickson B) Int J Radiat Oncol Biol Phys 2005 Jul 01;62(3):933-9 PMID: 15936580 SCOPUS ID: 2-s2.0-20344406775 06/07/2005       57 Citations
  • Dosimetric advantages of IMRT simultaneous integrated boost for high-risk prostate cancer. (Li XA, Wang JZ, Jursinic PA, Lawton CA, Wang D) Int J Radiat Oncol Biol Phys 2005 Mar 15;61(4):1251-7 PMID: 15752907 SCOPUS ID: 2-s2.0-14844309346 03/09/2005       57 Citations
  • Modeling prostate cancer: in regards to Nahum et al. (Int J Radiat Oncol Biol Phys 2003;57:391-401). (Wang JZ, Mayr NA, Li XA, Stewart RD) Int J Radiat Oncol Biol Phys 2005 Jan 01;61(1):309-10; author reply 310-1 PMID: 15629636 01/05/2005       8 Citations
  • Impact of tumor repopulation on radiotherapy planning. (Wang JZ, Li XA) Int J Radiat Oncol Biol Phys 2005 Jan 01;61(1):220-7 PMID: 15629615 SCOPUS ID: 2-s2.0-11144350193 01/05/2005       46 Citations
  • SU‐FF‐T‐63: Breast IMRT Based On Direct Aperture Optimization (Ahunbay E, Albano K, Jursinic P, Li XA) Medical Physics June 2005;32(6):1964 SCOPUS ID: 2-s2.0-85024787726 01/01/2005    
  • Extending the linear-quadratic model for large fraction doses pertinent to stereotactic radiotherapy. (Guerrero M, Li XA) Phys Med Biol 2004 Oct 21;49(20):4825-35 PMID: 15566178 SCOPUS ID: 2-s2.0-7244258926 11/30/2004       205 Citations
  • Comparison of in vitro and in vivo alpha/beta ratios for prostate cancer. (Carlson DJ, Stewart RD, Li XA, Jennings K, Wang JZ, Guerrero M) Phys Med Biol 2004 Oct 07;49(19):4477-91 PMID: 15552412 SCOPUS ID: 2-s2.0-5744247185 11/24/2004       69 Citations
  • Radiation absorbed dose distribution in a patient treated with yttrium-90 microspheres for hepatocellular carcinoma. (Sarfaraz M, Kennedy AS, Lodge MA, Li XA, Wu X, Yu CX) Med Phys 2004 Sep;31(9):2449-53 PMID: 15487724 SCOPUS ID: 2-s2.0-4644341544 10/19/2004       70 Citations
  • Simultaneous integrated boost for breast cancer using IMRT: a radiobiological and treatment planning study. (Guerrero M, Li XA, Earl MA, Sarfaraz M, Kiggundu E) Int J Radiat Oncol Biol Phys 2004 Aug 01;59(5):1513-22 PMID: 15275739 SCOPUS ID: 2-s2.0-3242682711 07/28/2004       64 Citations
  • Analysis of a large number of clinical studies for breast cancer radiotherapy: estimation of radiobiological parameters for treatment planning. (Guerrero M, Li XA) Phys Med Biol 2003 Oct 21;48(20):3307-26 PMID: 14620060 SCOPUS ID: 2-s2.0-0142213231 11/19/2003       38 Citations
  • The low alpha/beta ratio for prostate cancer: what does the clinical outcome of HDR brachytherapy tell us? (Wang JZ, Li XA, Yu CX, DiBiase SJ) Int J Radiat Oncol Biol Phys 2003 Nov 15;57(4):1101-8 PMID: 14575842 SCOPUS ID: 2-s2.0-0141576615 10/25/2003       88 Citations
  • Dose escalation in permanent brachytherapy for prostate cancer: dosimetric and biological considerations. (Li XA, Wang JZ, Stewart RD, DiBiase SJ) Phys Med Biol 2003 Sep 07;48(17):2753-65 PMID: 14516099 SCOPUS ID: 2-s2.0-0141849138 10/01/2003       36 Citations
  • Low α/β ratio for prostate cancer: In response to Dr. Fowler et al. [3] (multiple letter) (Wang JZ, Guerrero M, Li XA) International Journal of Radiation Oncology Biology Physics 1 October 2003;57(2):595-596 SCOPUS ID: 2-s2.0-0041381048 10/01/2003    
  • Impact of prolonged fraction delivery times on tumor control: a note of caution for intensity-modulated radiation therapy (IMRT). (Wang JZ, Li XA, D'Souza WD, Stewart RD) Int J Radiat Oncol Biol Phys 2003 Oct 01;57(2):543-52 PMID: 12957268 SCOPUS ID: 2-s2.0-0041381126 09/06/2003       164 Citations
  • A technique to sharpen the beam penumbra for Gamma Knife radiosurgery. (Guerrero M, Li XA, Ma L) Phys Med Biol 2003 Jun 21;48(12):1843-53 PMID: 12870587 SCOPUS ID: 2-s2.0-0038497895 07/23/2003       13 Citations
  • Inverse planning for intensity-modulated arc therapy using direct aperture optimization. (Earl MA, Shepard DM, Naqvi S, Li XA, Yu CX) Phys Med Biol 2003 Apr 21;48(8):1075-89 PMID: 12741503 SCOPUS ID: 2-s2.0-0038705898 05/14/2003       125 Citations
  • Dose effects of stents in intravascular brachytherapy for in-stent restenosis: a Monte Carlo calculation. (Li XA) Int J Radiat Oncol Biol Phys 2003 Mar 01;55(3):842-8 PMID: 12573772 SCOPUS ID: 2-s2.0-0037360982 02/08/2003       9 Citations
  • Evaluation of external beam radiotherapy and brachytherapy for localized prostate cancer using equivalent uniform dose. (Wang JZ, Li XA) Med Phys 2003 Jan;30(1):34-40 PMID: 12557976 SCOPUS ID: 2-s2.0-0037240482 02/01/2003       48 Citations
  • Monte Carlo dose characterization of a new 90Sr/90Y source with balloon for intravascular brachytherapy. (Wang R, Li XA, Lobdell J) Med Phys 2003 Jan;30(1):27-33 PMID: 12557975 02/01/2003       4 Citations
  • IVBTMC, a Monte Carlo dose calculation tool for intravascular brachytherapy. (Chibani O, Li XA) Med Phys 2003 Jan;30(1):44-51 PMID: 12557978 02/01/2003       6 Citations
  • How low is the alpha/beta ratio for prostate cancer? (Wang JZ, Guerrero M, Li XA) Int J Radiat Oncol Biol Phys 2003 Jan 01;55(1):194-203 PMID: 12504054 SCOPUS ID: 2-s2.0-0037215315 12/31/2002       248 Citations
  • Dosimetric comparison of two 90Sr/90Y sources for intravascular brachytherapy: an EGSnrc Monte Carlo calculation. (Wang R, Li XA) Phys Med Biol 2002 Dec 07;47(23):4259-69 PMID: 12502048 SCOPUS ID: 2-s2.0-0037038920 12/28/2002       10 Citations
  • Radiotherapy dose perturbation of metallic esophageal stents. (Li XA, Chibani O, Greenwald B, Suntharalingam M) Int J Radiat Oncol Biol Phys 2002 Nov 15;54(4):1276-85 PMID: 12419457 SCOPUS ID: 2-s2.0-0037111273 11/07/2002       29 Citations
  • Equivalence of the linear-quadratic and two-lesion kinetic models. (Guerrero M, Stewart RD, Wang JZ, Li XA) Phys Med Biol 2002 Sep 07;47(17):3197-209 PMID: 12361218 SCOPUS ID: 2-s2.0-0037037177 10/04/2002       26 Citations
  • Dose characterization in the near-source region for two high dose rate brachytherapy sources. (Wang R, Li XA) Med Phys 2002 Aug;29(8):1678-86 PMID: 12201413 SCOPUS ID: 2-s2.0-0036703411 08/31/2002       17 Citations
  • Direct aperture optimization: a turnkey solution for step-and-shoot IMRT. (Shepard DM, Earl MA, Li XA, Naqvi S, Yu C) Med Phys 2002 Jun;29(6):1007-18 PMID: 12094970 SCOPUS ID: 2-s2.0-0035989958 07/04/2002       265 Citations
  • Dose effect of guidewire position in intravascular brachytherapy. (Shih R, Hsu WL, Li XA) Phys Med Biol 2002 May 21;47(10):1733-40 PMID: 12069090 SCOPUS ID: 2-s2.0-0037150015 06/19/2002       5 Citations
  • Monte Carlo dose calculations in homogeneous media and at interfaces: a comparison between GEPTS, EGSnrc, MCNP, and measurements. (Chibani O, Li XA) Med Phys 2002 May;29(5):835-47 PMID: 12033580 SCOPUS ID: 2-s2.0-0035999411 05/30/2002       67 Citations
  • Clinical implementation of intensity-modulated arc therapy. (Yu CX, Li XA, Ma L, Chen D, Naqvi S, Shepard D, Sarfaraz M, Holmes TW, Suntharalingam M, Mansfield CM) Int J Radiat Oncol Biol Phys 2002 Jun 01;53(2):453-63 PMID: 12023150 SCOPUS ID: 2-s2.0-0036603788 05/23/2002       144 Citations
  • Dosimetric effects of source-offset in intravascular brachytherapy. (Chibani O, Li XA) Med Phys 2002 Apr;29(4):530-7 PMID: 11991124 05/07/2002       9 Citations
  • Dosimetry of source stepping for intravascular brachytherapy. (Li XA, Suntharalingam M, Yu C) Cardiovasc Radiat Med 2001 Jul-Sep;2(3):165-72 PMID: 11786323 SCOPUS ID: 2-s2.0-0035704227 01/12/2002       9 Citations
  • Dosimetric characteristics of dynamic wedged fields: a Monte Carlo study. (Shih R, Lj XA, Hsu WL) Phys Med Biol 2001 Dec;46(12):N281-92 PMID: 11768513 SCOPUS ID: 2-s2.0-0035739597 01/05/2002       8 Citations
  • Optimized intensity-modulated arc therapy for prostate cancer treatment. (Ma L, Yu CX, Earl M, Holmes T, Sarfaraz M, Li XA, Shepard D, Amin P, DiBiase S, Suntharalingam M, Mansfield C) Int J Cancer 2001 Dec 20;96(6):379-84 PMID: 11745509 SCOPUS ID: 2-s2.0-0035924238 12/18/2001       41 Citations
  • Dose effects of guide wires for catheter-based intravascular brachytherapy. (Li XA, Shih R) Int J Radiat Oncol Biol Phys 2001 Nov 15;51(4):1103-10 PMID: 11704335 SCOPUS ID: 2-s2.0-0035889304 11/13/2001       13 Citations
  • Monte Carlo dose verification for intensity-modulated arc therapy. (Li XA, Ma L, Naqvi S, Shih R, Yu C) Phys Med Biol 2001 Sep;46(9):2269-82 PMID: 11580168 SCOPUS ID: 2-s2.0-0034827572 10/03/2001       32 Citations
  • Monte Carlo characterization of a 32P source for intravascular brachytherapy. (Wang R, Li XA) Med Phys 2001 Aug;28(8):1776-85 PMID: 11548949 SCOPUS ID: 2-s2.0-0034851951 09/11/2001       17 Citations
  • Practical aspects of in situ 16O (gamma,n) 15O activation using a conventional medical accelerator for the purpose of perfusion imaging. (Oldham M, Sapareto SA, Li XA, Allen J, Sutlief S, Wong OC, Wong JW) Med Phys 2001 Aug;28(8):1669-78 PMID: 11548936 SCOPUS ID: 2-s2.0-0034857347 09/11/2001       3 Citations
  • Analysing collimator structure effects in head-scatter calculations for IMRT class fields using scatter raytracing. (Naqvi SA, Sarfaraz M, Holmes T, Yu CX, Li XA) Phys Med Biol 2001 Jul;46(7):2009-28 PMID: 11474941 07/28/2001       17 Citations
  • Dosimetric effects of contrast media for catheter-based intravascular brachytherapy. (Li XA) Med Phys 2001 May;28(5):757-63 PMID: 11393470 SCOPUS ID: 2-s2.0-0342468208 06/08/2001       15 Citations
  • Dynamic wedge versus physical wedge: a Monte Carlo study. (Shih R, Li XA, Chu JC) Med Phys 2001 Apr;28(4):612-9 PMID: 11339759 SCOPUS ID: 2-s2.0-0035050046 05/08/2001       23 Citations
  • Reducing loss in lateral charged-particle equilibrium due to air cavities present in x-ray irradiated media by using longitudinal magnetic fields. (Naqvi SA, Li XA, Ramahi SW, Chu JC, Ye SJ) Med Phys 2001 Apr;28(4):603-11 PMID: 11339758 SCOPUS ID: 2-s2.0-0035051983 05/08/2001       16 Citations
  • Monte Carlo dose calculations of beta-emitting sources for intravascular brachytherapy: a comparison between EGS4, EGSnrc, and MCNP. (Wang R, Li XA) Med Phys 2001 Feb;28(2):134-41 PMID: 11243335 SCOPUS ID: 2-s2.0-0035117289 03/13/2001       53 Citations
  • Conformal photon-beam therapy with transverse magnetic fields: a Monte Carlo study. (Li XA, Reiffel L, Chu J, Naqvi S) Med Phys 2001 Feb;28(2):127-33 PMID: 11243334 03/13/2001       18 Citations
  • A Monte Carlo calculation of dosimetric parameters of 90Sr/90Y and 192Ir SS sources for intravascular brachytherapy. (Wang R, Li XA) Med Phys 2000 Nov;27(11):2528-35 PMID: 11128305 SCOPUS ID: 2-s2.0-0033678807 12/29/2000       56 Citations
  • Dosimetric effect of contrast media for catheter-based intravascular brachytherapy (Li XA) Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings 2000;1:688-690 SCOPUS ID: 2-s2.0-0034441525 12/01/2000    
  • Monte Carlo calculation of a 90Sr/90Y and an 192Ir sources for intravascular brachytherapy (Wang R, Li XA, Yu CX) Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings 2000;4:2682-2684 SCOPUS ID: 2-s2.0-0034444728 12/01/2000    
  • The use of magnetic fields to improve photon dose distributions for radiation therapy - A possible approach to "poor man's proton" beam properties (Chu JCH, Reiffel L, Naqvi S, Li XA, Ye SJ, Saxena A) Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings 2000;4:2737-2740 SCOPUS ID: 2-s2.0-0034441481 12/01/2000    
  • Evaluation of EGS4/PRESTA multiple-scattering algorithms for 90Sr/90Y intravascular brachytherapy dosimetry. (Wang R, Li XA, Yu CX) Phys Med Biol 2000 Aug;45(8):2343-52 PMID: 10958198 08/25/2000       11 Citations
  • A systematic evaluation of air cavity dose perturbation in megavoltage x-ray beams. (Li XA, Yu C, Holmes T) Med Phys 2000 May;27(5):1011-7 PMID: 10841404 06/07/2000       40 Citations
  • An efficient method of measuring the 4 mm helmet output factor for the Gamma knife. (Ma L, Li XA, Yu CX) Phys Med Biol 2000 Mar;45(3):729-33 PMID: 10730967 SCOPUS ID: 2-s2.0-0034021168 03/24/2000       20 Citations
  • Dosimetric perturbations of linear array of beta-emitter seeds and metallic stent in intravascular brachytherapy. (Ye SJ, Li XA, Zimmer JR, Chu JC, Choi CK) Med Phys 2000 Feb;27(2):374-80 PMID: 10718142 SCOPUS ID: 2-s2.0-0034047103 03/16/2000       30 Citations
  • Beta versus gamma for catheter-based intravascular brachytherapy: dosimetric perspectives in the presence of metallic stents and calcified plaques. (Li XA, Wang R, Yu C, Suntharalingam M) Int J Radiat Oncol Biol Phys 2000 Mar 01;46(4):1043-9 PMID: 10705028 SCOPUS ID: 2-s2.0-0034001425 03/08/2000       38 Citations
  • Conformal photon-beam therapy with transverse magnetic fields: Monte Carlo study (Li XA, Reiffel L, Chu J, Naqvi S) Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings 2000;4:3200-3202 SCOPUS ID: 2-s2.0-0034445670 01/01/2000    
  • Reducing underdosing near low-density media irradiated with x-rays by using longitudinal magnetic fields (Naqvi SA, Li XA, Ye SJ, Ramahi SW, Chu JC) Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings 2000;4:3266-3268 SCOPUS ID: 2-s2.0-0034444592 01/01/2000    
  • Clinical implementation of intensity-modulated arc therapy (Yu CX, Li XA, Ma L, Chen D, Naqvi S, Shepard D, Sarfaraz M, Holmes TW, Suntharalingam M, Mansfield CM) Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings 2000;4:3035-3037 SCOPUS ID: 2-s2.0-0034440752 01/01/2000    
  • Peak scatter factors for high energy photon beams. (Li XA) Med Phys 1999 Jun;26(6):962-6 PMID: 10436898 SCOPUS ID: 2-s2.0-0032982534 08/07/1999       7 Citations
  • Dose enhancement by a thin foil of high-Z material: a Monte Carlo study. (Li XA, Chu JC, Chen W, Zusag T) Med Phys 1999 Jul;26(7):1245-51 PMID: 10435524 SCOPUS ID: 2-s2.0-0032768029 08/06/1999       30 Citations
  • Calculation of head scatter factors at isocenter or at center of field for any arbitrary jaw setting. (Shih R, Li XA, Chu JC, Hsu WL) Med Phys 1999 Apr;26(4):506-11 PMID: 10227351 SCOPUS ID: 2-s2.0-0032890589 05/05/1999       10 Citations
  • Study of dosimetry consistency for kilovoltage x-ray beams. (Ma CM, Li XA, Seuntjens JP) Med Phys 1998 Dec;25(12):2376-84 PMID: 9874830 SCOPUS ID: 2-s2.0-0032415881 01/06/1999       21 Citations
  • Dosimetric evaluation of a widely used kilovoltage x-ray unit for endocavitary radiotherapy. (Li XA, Ma CM, Salhani D, Agboola O) Med Phys 1998 Aug;25(8):1464-71 PMID: 9725135 SCOPUS ID: 2-s2.0-0031845774 09/02/1998       13 Citations
  • Measurement of percentage depth dose and lateral beam profile for kilovoltage x-ray therapy beams. (Li XA, Ma CM, Salhani D) Phys Med Biol 1997 Dec;42(12):2561-8 PMID: 9434308 SCOPUS ID: 2-s2.0-0031442330 01/22/1998       35 Citations
  • Practical approach to electron beam dosimetry at extended SSD. (Cygler J, Li XA, Ding GX, Lawrence E) Phys Med Biol 1997 Aug;42(8):1505-14 PMID: 9279902 SCOPUS ID: 2-s2.0-0030875108 08/01/1997       22 Citations
  • The effect of dose rate dependence of p-type silicon detectors on linac relative dosimetry. (Wilkins D, Li XA, Cygler J, Gerig L) Med Phys 1997 Jun;24(6):879-81 PMID: 9198022 SCOPUS ID: 2-s2.0-0030940762 06/01/1997       37 Citations
  • Characteristics of orthovoltage x-ray therapy beams at extended SSD for applicators with end plates. (Li XA, Salhani D, Ma CM) Phys Med Biol 1997 Feb;42(2):357-70 PMID: 9044418 SCOPUS ID: 2-s2.0-0031056764 02/01/1997       14 Citations
  • Lateral electron equilibrium and electron contamination in measurements of head-scatter factors using miniphantoms and brass caps. (Li XA, Soubra M, Szanto J, Gerig LH) Med Phys 1995 Jul;22(7):1167-70 PMID: 7565391 SCOPUS ID: 2-s2.0-0029159832 07/01/1995       74 Citations
  • Electron mass scattering powers: Monte Carlo and analytical calculations. (Li XA, Rogers DW) Med Phys 1995 May;22(5):531-41 PMID: 7643788 SCOPUS ID: 2-s2.0-0029001671 05/01/1995       25 Citations
  • Reducing electron contamination for photon beam-quality specification. (Li XA, Rogers DW) Med Phys 1994 Jun;21(6):791-7 PMID: 7935216 SCOPUS ID: 2-s2.0-0028307288 06/01/1994       17 Citations
  • Last update: 06/30/2020
    jenkins-FCD Prod-466 5b81815b8b3d1f46bfec16512ed5f574613f59c5