six steroid tests based on urinary free cortisol and plasma total cortisol were used for differentiating between 27 patients with cushing 's syndrome in whom the diagnosis was confirmed by operation or autopsy and 25 obese subjects imitating this syndrome in whom hypercortisolism was excluded by repeated examinations performed over several years .
C0010481
cushing 's syndrome
C0001622
hypercortisolism