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Mesh term Petrosal Sinus Sampling

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Blood Chemical Analysis
Blood Specimen Collection

Description

Sampling of blood levels of the adrenocorticotropic hormone (ACTH) by withdrawal of blood from the inferior petrosal sinus. The inferior petrosal sinus arises from the cavernous sinus and runs to the internal jugular vein. Sampling of blood at this level is a valuable tool in the differential diagnosis of Cushing disease, Cushing syndrome, and other adrenocortical diseases.



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jenkins-FCD Prod-486 e3098984f26de787f5ecab75090d0a28e7f4f7c0