About The Medical Condition Petrosal Sinus Sampling

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

Petrosal Sinus Sampling

Petrosal Sinus Sampling Medical Condition Defined & Explained
Petrosal Sinus Sampling Medical Condition

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

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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