Author:
Tabarin A.,Galli F. San,Dezou S.,Leprat F.,Corcuff J.-B.,Latapie J.-L.,Guerin J.,Roger P.
Abstract
Abstract.
The diagnostic accuracy of the CRH test was compared with that of the LVP test in 28 consecutive patients with ACTH-dependent Cushing's syndrome. A false negative response to CRH was found in 3 of 21 patients with pituitary-dependent Cushing's disease and to LVP in 4. The 7 patients with ectopic ACTH secretion were unresponsive to CRH, whereas 2 did respond to LVP. CRH and high-dose dexamethasone tests combination led to concordant results in 79% of patients. In all cases the etiological diagnosis suggested was correct. LVP and high-dose dexamethasone tests combination led to concordant results in only 71% of patients and the etiological diagnosis suggested was erroneous in one. Individual tolerance to the CRH test was also clearly better than that to the LVP test. It is concluded that the CRH test, alone or in combination with the high-dose dexamethasone test must be preferentially used to the LVP test in the differential diagnosis of ACTH-dependent Cushing's disease.
Subject
Endocrinology,General Medicine,Endocrinology, Diabetes and Metabolism
Cited by
48 articles.
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