Absence of Cushingoid phenotype in a patient with Cushing's disease due to defective cortisone to cortisol conversion

Jeremy Tomlinson, Nicole Draper, J Mackie, G Holder, P Wood, A Johnson, Paul Stewart

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61 Citations (Scopus)

Abstract

Cushing's syndrome invariably presents with a classical phenotype comprising central adiposity, prominence of dorsal, supraclavicular and temporal fat pads, bruising, abdominal striae, proximal myopathy, and hypertension. We report the case of a 20-yr-old student with pituitary-dependent Cushing's syndrome who was spared this classical phenotype because of a defect in the peripheral conversion of cortisone to cortisol. She presented to her general practitioner with secondary amenorrhea. Clinical examination revealed normal fat distribution (body mass index, 20.9 kg/m(2)), absence of hirsutism, myopathy, or bruising; her blood pressure ranged from 115/70 to 122/82 mm Hg. She was investigated for biochemical hypercortisolemia because of a mildly elevated random circulating cortisol (serum cortisol, 661 nmol/liter). Cushing's syndrome was confirmed on the basis of repeatedly elevated urinary free cortisols (831-1049; reference range,
Original languageEnglish
Pages (from-to)57-62
Number of pages6
JournalJournal of Clinical Endocrinology and Metabolism
Volume87
Issue number1
DOIs
Publication statusPublished - 1 Jan 2002

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