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Medical Term:

dexamethasone suppression test

 

Definition: a test for the detection and diagnosis of Cushing syndrome; following administration of 1.0 mg of dexamethasone at 11 p.m., normal people suppress plasma cortisol to low levels; patients with Cushing syndrome do not. Higher dose regimens distinguish between Cushing syndrome due to tumor and due to hyperplasia.

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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