Medical College of Wisconsin
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Ugwuji N. Maduekwe MD

Ugwuji N. Maduekwe MD profile photo picture

Assistant Provost, Associate Professor

Institution: Medical College of Wisconsin
Department: Surgery
Division: Surgery Oncology

Member of the Cancer Center


I am willing to collaborate on research projects.

View Curriculum Vitae

Publications (60)

  • Ensuring Medical Device Safety: The Role of Standards Organizations and Regulatory Bodies. (Daryanani AE, Maduekwe UN, Baird P, Ehrenfeld JM) J Med Syst 2025 Jan 25;49(1):16 PMID: 39862365 SCOPUS ID: 2-s2.0-85216999282 01/26/2025       11 Citations
  • When Benchmarks Fail Us: A Case Study in Cytoreductive Surgery. (Bansal VV, Witmer HDD, Childers CP, Su DG, Turaga KK, RVU Writing Group, PSM Consortium Group) Ann Surg Oncol 2025 Jan;32(1):19-23 PMID: 39460818 SCOPUS ID: 2-s2.0-85207593066 10/26/2024       2 Citations
  • Surgeon Type and Anastomotic Leaks in Ovarian Cancer. (Istl AC, Desravines N, Maduekwe UN) JAMA Surg 2024 Oct 01;159(10):1194-1195 PMID: 39110466 SCOPUS ID: 2-s2.0-85201746672 08/07/2024       1 Citation
  • Prediction of Early Recurrence Following CRS/HIPEC in Patients With Disseminated Appendiceal Cancer. (SenthilKumar G, Merrill J, Maduekwe UN, Cloyd JM, Fournier K, Abbott DE, Zafar N, Patel S, Johnston F, Dineen S, Baumgartner J, Grotz TE, Maithel SK, Raoof M, Lambert L, Hendrix R, Kothari AN) J Surg Res 2023 Dec;292:275-288 PMID: 37666090 SCOPUS ID: 2-s2.0-85170090934 09/05/2023       4 Citations
  • Neighborhood-Level Socioeconomic Disadvantage Predicts Outcomes in Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy for Peritoneal Malignancy. (Winicki NM, Radomski SN, Florissi IS, Cloyd JM, Gutta G, Grotz TE, Scally CP, Fournier KF, Dineen SP, Powers BD, Veerapong J, Baumgartner JM, Clarke CN, Kothari AN, Maduekwe UN, Patel SH, Wilson GC, Schwartz P, Varley PR, Raoof M, Lee B, Malik I, Johnston FM, Greer JB) Ann Surg Oncol 2023 Nov;30(12):7840-7847 PMID: 37620532 PMCID: PMC10592201 SCOPUS ID: 2-s2.0-85168622027 08/25/2023       7 Citations
  • Shared Decision-Making in the Surgical Sciences. (Hawkins AT, Fayanju OM, Maduekwe UN) JAMA Surg 2023 Nov 01;158(11):1121-1122 PMID: 37466987 PMCID: PMC10824393 SCOPUS ID: 2-s2.0-85176508714 07/19/2023       13 Citations
  • Automated machine learning (AutoML) can predict 90-day mortality after gastrectomy for cancer. (SenthilKumar G, Madhusudhana S, Flitcroft M, Sheriff S, Thalji S, Merrill J, Clarke CN, Maduekwe UN, Tsai S, Christians KK, Gamblin TC, Kothari AN) Sci Rep 2023 Jul 08;13(1):11051 PMID: 37422500 PMCID: PMC10329647 SCOPUS ID: 2-s2.0-85164146540 07/09/2023       18 Citations
  • Validation of the AJCC 8th Edition Staging System for Disseminated Appendiceal Cancer Patients Treated with Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy: A Multi-institutional Analysis. (SenthilKumar G, Kothari AN, Maduekwe UN, Fournier K, Abbott DE, Wilson GC, Patel SH, Greer J, Johnston F, Dineen SP, Powers BD, Baumgartner J, Veerapong J, Leiting J, Grotz TE, Maithel SK, Staley C, Raoof M, Lambert L, Lee A, Kim A, Cloyd JM, Mogal H) Ann Surg Oncol 2023 Sep;30(9):5743-5753 PMID: 37294386 SCOPUS ID: 2-s2.0-85161360327 06/09/2023       10 Citations
  • Identifying patient profiles of disparate care in resectable pancreas cancer using latent class analysis. (Maduekwe UN, Stephenson BJK, Yeh JJ, Troester MA, Sanoff HK) J Surg Oncol 2023 Aug;128(2):254-261 PMID: 37095707 PMCID: PMC13201060 SCOPUS ID: 2-s2.0-85153627323 04/25/2023       3 Citations
  • Patterns of Unnecessary Insurer Prior Authorization Denials in a Complex Surgical Oncology Practice. (Merrill JR, Flitcroft MA, Miller T, Beichner B, Clarke CN, Maduekwe UN, Wang TS, Dream S, Christians KK, Gamblin TC, Evans DB, Kothari AN) J Surg Res 2023 Aug;288:269-274 PMID: 37037166 SCOPUS ID: 2-s2.0-85151667989 04/11/2023       1 Citation
  • Do Lymph Node Metastases Matter in Appendiceal Cancer with Peritoneal Carcinomatosis? A US HIPEC Collaborative Study. (Turner KM, Morris MC, Delman AM, Hanseman D, Johnston FM, Greer J, Walle KV, Abbott DE, Raoof M, Grotz TE, Fournier K, Dineen S, Veerapong J, Maduekwe U, Kothari A, Staley CA, Maithel SK, Lambert LA, Kim AC, Cloyd JM, Wilson GC, Sussman JJ, Ahmad SA, Patel SH) J Gastrointest Surg 2022 Dec;26(12):2569-2578 PMID: 36258061 SCOPUS ID: 2-s2.0-85140101531 10/19/2022       7 Citations
  • DNA Damage Repair Classifier Defines Distinct Groups in Hepatocellular Carcinoma. (Smith MA, Van Alsten SC, Walens A, Damrauer JS, Maduekwe UN, Broaddus RR, Love MI, Troester MA, Hoadley KA) Cancers (Basel) 2022 Sep 01;14(17) PMID: 36077818 PMCID: PMC9454479 SCOPUS ID: 2-s2.0-85137823991 09/10/2022       5 Citations
  • Surgical outcomes and survival of adrenocortical carcinoma between children and adults. (Akinkuotu AC, Peace A, Maduekwe UN, Hayes AA) Am J Surg 2022 Oct;224(4):1090-1094 PMID: 35688671 PMCID: PMC10276358 SCOPUS ID: 2-s2.0-85131825408 06/11/2022       8 Citations
  • Intraoperative Pancreatic Neck Margin Assessment During Pancreaticoduodenectomy for Pancreatic Adenocarcinoma in the Era of Neoadjuvant Therapy: A Multi-institutional Analysis from the Central Pancreatic Consortium. (Kelly KN, Macedo FI, Seaton M, Wilson G, Hammill C, Martin RC, Maduekwe UN, Kim HJ, Maithel SK, Abbott DE, Ahmad SA, Kooby DA, Merchant NB, Datta J) Ann Surg Oncol 2022 Sep;29(9):6004-6012 PMID: 35511392 SCOPUS ID: 2-s2.0-85129418536 05/06/2022       16 Citations
  • Does Angiosarcoma of the Breast Need Nodal Staging? (Herb J, Maduekwe UN, Goel N, Rosenberger LH, Spanheimer PM) J Am Coll Surg 2022 May 01;234(5):774-782 PMID: 35426390 PMCID: PMC9309687 SCOPUS ID: 2-s2.0-85128320047 04/16/2022       7 Citations
  • Commentary on Brief Clinical Report: "Coronary Artery Stent for Securing High-risk Pancreatico-Jejunal Anastomosis After Pancreaticoduodenectomy: A Pilot Series". (Clarke CN, Maduekwe UN) Ann Surg 2022 Apr 01;275(4):e669 PMID: 34913892 SCOPUS ID: 2-s2.0-85126072420 12/17/2021    
  • Patterns of Adjuvant Chemotherapy Use and Association With Survival in Adults 80 Years and Older With Pancreatic Adenocarcinoma. (Mehtsun WT, McCleary NJ, Maduekwe UN, Wolpin BM, Schrag D, Wang J) JAMA Oncol 2022 Jan 01;8(1):88-95 PMID: 34854874 PMCID: PMC8640950 SCOPUS ID: 2-s2.0-85120743219 12/03/2021       26 Citations
  • Disparities in the Management of Peritoneal Surface Malignancies. (Marulanda K, Maduekwe UN) Surg Oncol Clin N Am 2022 Jan;31(1):29-41 PMID: 34776062 SCOPUS ID: 2-s2.0-85117415093 11/16/2021       4 Citations
  • The prevalence of pancreatic incidentalomas in patients undergoing surveillance for abdominal aortic aneurysms. (Portelli Tremont JN, Jadi J, Pham V, Kim HJ, Maduekwe UN) Am J Surg 2021 Nov;222(5):892-896 PMID: 34364656 SCOPUS ID: 2-s2.0-85111845013 08/09/2021       5 Citations
  • The Evolving Management of Peritoneal Surface Malignancies. (Stewart JH 4th, Blazer DG 3rd, Calderon MJG, Carter TM, Eckhoff A, Al Efishat MA, Fernando DG, Foster JM, Hayes-Jordan A, Johnston FM, Lautz TB, Levine EA, Maduekwe UN, Mangieri CW, Moaven O, Mogal H, Shen P, Votanopoulos KI) Curr Probl Surg 2021 Apr;58(4):100860 PMID: 33832580 SCOPUS ID: 2-s2.0-85099831873 04/10/2021       3 Citations
  • Pathologic nodal staging for clinically node negative soft tissue sarcoma of the extremities. (Maduekwe UN, Herb JN, Esther RJ, Kim HJ, Spanheimer PM) J Surg Oncol 2021 May;123(8):1792-1800 PMID: 33751586 PMCID: PMC11022073 SCOPUS ID: 2-s2.0-85102814168 03/23/2021       10 Citations
  • Surgical outcomes and survival rates of colon cancer in children and young adults. (Akinkuotu AC, Maduekwe UN, Hayes-Jordan A) Am J Surg 2021 Apr;221(4):718-724 PMID: 33678398 SCOPUS ID: 2-s2.0-85102032449 03/09/2021       13 Citations
  • Does acral lentiginous melanoma subtype account for differences in patterns of care in Black patients? (Carter TM, Strassle PD, Ollila DW, Stitzenberg KB, Meyers MO, Maduekwe UN) Am J Surg 2021 Apr;221(4):706-711 PMID: 33461732 PMCID: PMC8376182 SCOPUS ID: 2-s2.0-85100196770 01/20/2021       14 Citations
  • Toward Quantification of Geographic Disparity in Access to Surgical Care-Betwixt and Between. (Maduekwe UN, Haynes AB) JAMA Surg 2021 Mar 01;156(3):246 PMID: 33326006 SCOPUS ID: 2-s2.0-85098048371 12/17/2020    
  • Breast cancer treatment delays by socioeconomic and health care access latent classes in Black and White women. (Emerson MA, Golightly YM, Aiello AE, Reeder-Hayes KE, Tan X, Maduekwe U, Johnson-Thompson M, Olshan AF, Troester MA) Cancer 2020 Nov 15;126(22):4957-4966 PMID: 32954493 PMCID: PMC7789230 SCOPUS ID: 2-s2.0-85091183216 09/22/2020       100 Citations
  • Disparities of Management of the Axilla in Women With Clinically Node Negative Breast Cancer. (Aubry S, Strassle PD, Maduekwe U, Downs-Canner S) J Surg Res 2020 Dec;256:13-22 PMID: 32679224 PMCID: PMC8353960 SCOPUS ID: 2-s2.0-85087820385 07/18/2020       1 Citation
  • An invited commentary on "Anatomic versus non-anatomic resection for hepatocellular carcinoma, do we have an answer? A meta-analysis" [Int. J. Surg. (2020) Epub ahead of print]: Does liver anatomy matter? (Maduekwe UN, Charles A) Int J Surg 2020 Jul;79:326 PMID: 32535258 SCOPUS ID: 2-s2.0-85086761628 06/15/2020       2 Citations
  • Delving deeper into disparity: The impact of health literacy on the surgical care of breast cancer patients. (Portelli Tremont JN, Downs-Canner S, Maduekwe U) Am J Surg 2020 Oct;220(4):806-810 PMID: 32444064 PMCID: PMC7541468 SCOPUS ID: 2-s2.0-85084806865 05/24/2020       18 Citations
  • The Chicago Consensus on Peritoneal Surface Malignancies: Standards. (Chicago Consensus Working Group) Ann Surg Oncol 2020 Jun;27(6):1743-1752 PMID: 32285276 SCOPUS ID: 2-s2.0-85083312765 04/15/2020       23 Citations
  • The Chicago Consensus on Peritoneal Surface Malignancies: Management of Appendiceal Neoplasms. (Chicago Consensus Working Group) Ann Surg Oncol 2020 Jun;27(6):1753-1760 PMID: 32285275 SCOPUS ID: 2-s2.0-85083306571 04/15/2020       96 Citations
  • The Chicago Consensus on Peritoneal Surface Malignancies: Management of Neuroendocrine Tumors. (Chicago Consensus Working Group) Ann Surg Oncol 2020 Jun;27(6):1788-1792 PMID: 32285274 SCOPUS ID: 2-s2.0-85083342085 04/15/2020       20 Citations
  • The Chicago Consensus on Peritoneal Surface Malignancies: Management of Peritoneal Mesothelioma. (Chicago Consensus Working Group) Ann Surg Oncol 2020 Jun;27(6):1774-1779 PMID: 32285273 SCOPUS ID: 2-s2.0-85083287924 04/15/2020       27 Citations
  • The Chicago Consensus on Peritoneal Surface Malignancies: Palliative Care Considerations. (Chicago Consensus Working Group) Ann Surg Oncol 2020 Jun;27(6):1798-1804 PMID: 32285272 SCOPUS ID: 2-s2.0-85083343126 04/15/2020       17 Citations
  • The Chicago Consensus on Peritoneal Surface Malignancies: Management of Ovarian Neoplasms. (Chicago Consensus Working Group) Ann Surg Oncol 2020 Jun;27(6):1780-1787 PMID: 32285271 SCOPUS ID: 2-s2.0-85083287875 04/15/2020       18 Citations
  • The Chicago Consensus on Peritoneal Surface Malignancies: Management of Colorectal Metastases. (Chicago Consensus Working Group) Ann Surg Oncol 2020 Jun;27(6):1761-1767 PMID: 32285270 SCOPUS ID: 2-s2.0-85083315214 04/15/2020       53 Citations
  • The Chicago Consensus on Peritoneal Surface Malignancies: Management of Gastric Metastases. (Chicago Consensus Working Group) Ann Surg Oncol 2020 Jun;27(6):1768-1773 PMID: 32285269 SCOPUS ID: 2-s2.0-85083329258 04/15/2020       28 Citations
  • The Chicago Consensus on Peritoneal Surface Malignancies: Management of Desmoplastic Small Round Cell Tumor, Breast, and Gastrointestinal Stromal Tumors. (Chicago Consensus Working Group) Ann Surg Oncol 2020 Jun;27(6):1793-1797 PMID: 32285268 SCOPUS ID: 2-s2.0-85083346862 04/15/2020       16 Citations
  • The Chicago Consensus on peritoneal surface malignancies: Management of peritoneal mesothelioma. (Chicago Consensus Working Group) Cancer 2020 Jun 01;126(11):2547-2552 PMID: 32282077 SCOPUS ID: 2-s2.0-85085874972 04/14/2020       31 Citations
  • The Chicago Consensus on peritoneal surface malignancies: Management of gastric metastases. (Chicago Consensus Working Group) Cancer 2020 Jun 01;126(11):2541-2546 PMID: 32282074 SCOPUS ID: 2-s2.0-85084607559 04/14/2020       33 Citations
  • The Chicago Consensus on peritoneal surface malignancies: Management of appendiceal neoplasms. (Chicago Consensus Working Group) Cancer 2020 Jun 01;126(11):2525-2533 PMID: 32282073 SCOPUS ID: 2-s2.0-85084594927 04/14/2020       82 Citations
  • The Chicago Consensus on peritoneal surface malignancies: Management of desmoplastic small round cell tumor, breast, and gastrointestinal stromal tumors. (Chicago Consensus Working Group) Cancer 2020 Jun 01;126(11):2566-2570 PMID: 32282072 SCOPUS ID: 2-s2.0-85084537054 04/14/2020       10 Citations
  • The Chicago Consensus on peritoneal surface malignancies: Management of colorectal metastases. (Chicago Consensus Working Group) Cancer 2020 Jun 01;126(11):2534-2540 PMID: 32282070 SCOPUS ID: 2-s2.0-85085886163 04/14/2020       39 Citations
  • The Chicago Consensus on peritoneal surface malignancies: Management of neuroendocrine tumors. (Chicago Consensus Working Group) Cancer 2020 Jun 01;126(11):2561-2565 PMID: 32282069 SCOPUS ID: 2-s2.0-85084603901 04/14/2020       10 Citations
  • The Chicago Consensus on peritoneal surface malignancies: Management of ovarian neoplasms. (Chicago Consensus Working Group) Cancer 2020 Jun 01;126(11):2553-2560 PMID: 32282068 SCOPUS ID: 2-s2.0-85085884282 04/14/2020       26 Citations
  • The Chicago Consensus on peritoneal surface malignancies: Standards. (Chicago Consensus Working Group) Cancer 2020 Jun 01;126(11):2516-2524 PMID: 32282066 SCOPUS ID: 2-s2.0-85085694523 04/14/2020       14 Citations
  • The Chicago Consensus on peritoneal surface malignancies: Palliative care considerations. (Chicago Consensus Working Group) Cancer 2020 Jun 01;126(11):2571-2576 PMID: 32282059 SCOPUS ID: 2-s2.0-85084626057 04/14/2020       11 Citations
  • The Miami International Evidence-Based Guidelines on Minimally Invasive Pancreas Resection: Moving from Initial Adoption to Thoughtful Dissemination. (Anaya DA, Maduekwe U, He J) Ann Surg Oncol 2020 Jun;27(6):1726-1729 PMID: 32185536 SCOPUS ID: 2-s2.0-85082738367 03/19/2020       6 Citations
  • Survival Outcomes Associated With Clinical and Pathological Response Following Neoadjuvant FOLFIRINOX or Gemcitabine/Nab-Paclitaxel Chemotherapy in Resected Pancreatic Cancer. (Macedo FI, Ryon E, Maithel SK, Lee RM, Kooby DA, Fields RC, Hawkins WG, Williams G, Maduekwe U, Kim HJ, Ahmad SA, Patel SH, Abbott DE, Schwartz P, Weber SM, Scoggins CR, Martin RCG, Dudeja V, Franceschi D, Livingstone AS, Merchant NB) Ann Surg 2019 Sep;270(3):400-413 PMID: 31283563 PMCID: PMC9634701 SCOPUS ID: 2-s2.0-85070957974 07/10/2019       158 Citations
  • Needs assessment for a focused radiology curriculum in surgical residency: a multicenter study. (Butler KL, Chang Y, DeMoya M, Feinstein A, Ferrada P, Maduekwe U, Maung AA, Melo N, Odom S, Olasky J, Reinhorn M, Smink DB, Stassen N, Wilson CT, Fagenholz P, Kaafarani H, King D, Yeh DD, Velmahos G, Stefanidis D) Am J Surg 2016 Jan;211(1):279-87 PMID: 26329901 SCOPUS ID: 2-s2.0-84951567081 09/04/2015       21 Citations
  • The rise of wearable recording devices: opportunities and risks in medical settings. (Siddiqui G, Miller A, McKinley S, Maduekwe U, Schwaitzberg SD) Surg Innov 2014 Oct;21(5):453-5 PMID: 25217581 SCOPUS ID: 2-s2.0-84907554447 09/14/2014       1 Citation
  • Noncurative gastrectomy for gastric adenocarcinoma should only be performed in highly selected patients. (Schmidt B, Look-Hong N, Maduekwe UN, Chang K, Hong TS, Kwak EL, Lauwers GY, Rattner DW, Mullen JT, Yoon SS) Ann Surg Oncol 2013 Oct;20(11):3512-8 PMID: 23765416 SCOPUS ID: 2-s2.0-84883771117 06/15/2013       31 Citations
  • D2 lymphadenectomy with surgical ex vivo dissection into node stations for gastric adenocarcinoma can be performed safely in Western patients and ensures optimal staging. (Schmidt B, Chang KK, Maduekwe UN, Look-Hong N, Rattner DW, Lauwers GY, Mullen JT, Yang HK, Yoon SS) Ann Surg Oncol 2013 Sep;20(9):2991-9 PMID: 23760588 SCOPUS ID: 2-s2.0-84881480657 06/14/2013       22 Citations
  • Extensive cytoreductive surgery for appendiceal carcinomatosis: morbidity, mortality, and survival. (Wagner PL, Austin F, Maduekwe U, Mavanur A, Ramalingam L, Jones HL, Holtzman MP, Ahrendt SA, Zureikat AH, Pingpank JF, Zeh HJ, Bartlett DL, Choudry HA) Ann Surg Oncol 2013 Apr;20(4):1056-62 PMID: 23456385 PMCID: PMC4100554 SCOPUS ID: 2-s2.0-84875231943 03/05/2013       36 Citations
  • Significance of serum tumor marker levels in peritoneal carcinomatosis of appendiceal origin. (Wagner PL, Austin F, Sathaiah M, Magge D, Maduekwe U, Ramalingam L, Jones HL, Holtzman MP, Ahrendt SA, Zureikat AH, Pingpank JF, Zeh HJ 3rd, Bartlett DL, Choudry HA) Ann Surg Oncol 2013 Feb;20(2):506-14 PMID: 22941175 PMCID: PMC3812816 SCOPUS ID: 2-s2.0-84878843800 09/04/2012       62 Citations
  • Comparison of a lymph node ratio-based staging system with the 7th AJCC system for gastric cancer: analysis of 18,043 patients from the SEER database. (Wang J, Dang P, Raut CP, Pandalai PK, Maduekwe UN, Rattner DW, Lauwers GY, Yoon SS) Ann Surg 2012 Mar;255(3):478-85 PMID: 22330040 SCOPUS ID: 2-s2.0-84862813216 02/15/2012       191 Citations
  • An evidence-based review of the surgical treatment of gastric adenocarcinoma. (Maduekwe UN, Yoon SS) J Gastrointest Surg 2011 May;15(5):730-41 PMID: 21399886 SCOPUS ID: 2-s2.0-79955466902 03/15/2011       9 Citations
  • RETRACTED: Differential effects of VEGFR-1 and VEGFR-2 inhibition on tumor metastases based on host organ environment. (Lee YJ, Karl DL, Maduekwe UN, Rothrock C, Ryeom S, D'Amore PA, Yoon SS) Cancer Res 2010 Nov 01;70(21):8357-67 PMID: 20978198 PMCID: PMC2970713 SCOPUS ID: 2-s2.0-78449290379 10/28/2010       58 Citations
  • Proton-beam, intensity-modulated, and/or intraoperative electron radiation therapy combined with aggressive anterior surgical resection for retroperitoneal sarcomas. (Yoon SS, Chen YL, Kirsch DG, Maduekwe UN, Rosenberg AE, Nielsen GP, Sahani DV, Choy E, Harmon DC, DeLaney TF) Ann Surg Oncol 2010 Jun;17(6):1515-29 PMID: 20151216 PMCID: PMC2943833 SCOPUS ID: 2-s2.0-77954814247 02/13/2010       105 Citations
  • New metastatic lymph node ratio system reduces stage migration in patients undergoing D1 lymphadenectomy for gastric adenocarcinoma. (Maduekwe UN, Lauwers GY, Fernandez-Del-Castillo C, Berger DL, Ferguson CM, Rattner DW, Yoon SS) Ann Surg Oncol 2010 May;17(5):1267-77 PMID: 20099040 PMCID: PMC3785005 SCOPUS ID: 2-s2.0-77952091511 01/26/2010       58 Citations
  • Role of sentinel lymph node biopsy in the staging of synovial, epithelioid, and clear cell sarcomas. (Maduekwe UN, Hornicek FJ, Springfield DS, Raskin KA, Harmon DC, Choy E, Rosenberg AE, Nielsen GP, DeLaney TF, Chen YL, Ott MJ, Yoon SS) Ann Surg Oncol 2009 May;16(5):1356-63 PMID: 19259743 SCOPUS ID: 2-s2.0-64249118367 03/05/2009       63 Citations
    • Last update: 04/01/2026