Petrosal Sinus Sampling

Overview

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.

This information is general and should not be treated as medical advice. Always speak directly with a qualified healthcare professional before making decisions about treatment, diagnosis, procedures, medicines or care.

Quick facts about Petrosal Sinus Sampling

Topic type

Diagnostic Test

Category

Diagnostics

MeSH classification

E01.370.225.124.100.600|E01.370.225.998.110.600|E04.665.150.600|E05.200.124.100.600|E05.200.998.110.600

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