About The Medical Condition Petrosal Sinus Samplings

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Find the definition of the medical term Petrosal Sinus Samplings. Petrosal Sinus Samplings defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.

Petrosal Sinus Samplings

Petrosal Sinus Samplings Medical Condition Defined & Explained
Petrosal Sinus Samplings Medical Condition

What's The Definition Of The Medical Condition Petrosal Sinus Samplings?

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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