
Diagnosis of Cushing's disease in a patient with consistently normal urinary free cortisol levels: a case report
Author(s) -
Moloney Kelley J.,
Mercado Jennifer U.,
Ludlam William H.,
Broyles Frances E.
Publication year - 2016
Publication title -
clinical case reports
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 9
ISSN - 2050-0904
DOI - 10.1002/ccr3.647
Subject(s) - medicine , cushing's disease , urinary system , disease , endocrinology , urology
Key Clinical Message The urinary free cortisol ( UFC ) test is widely used for the screening of Cushing's syndrome. This case study illustrates the potential failure of the UFC test to correctly diagnose Cushing's disease ( CD ), indicating that the use of other complementary tests may be necessary to diagnose this disease in some cases.