PMID- 10096147 OWN - NLM STAT- MEDLINE DCOM- 19990527 LR - 20191103 IS - 0724-4983 (Print) IS - 0724-4983 (Linking) VI - 17 IP - 1 DP - 1999 Feb TI - Contemporary evaluation and management of Cushing's syndrome. PG - 22-5 AB - Cushing's syndrome, characterized by unregulated cortisol secretion, may be caused by a variety of adrenal, pituitary, or other tumors. The best biochemical test for establishing the diagnosis is determination of 24-h urinary free cortisol. The specific causes for Cushing's syndrome may be further differentiated by plasma adrenocorticotrophic hormone (ACTH). Primary adrenal cortical diseases are associated with low levels of ACTH and are considered ACTH-independent. Pituitary disease and the ectopic ACTH syndrome are associated with normal or elevated ACTH levels and are considered ACTH-dependent. Adrenal forms of Cushing's syndrome may result from either adenoma or carcinoma. The diagnostic approach to Cushing's syndrome and the clinical, biochemical, and radiographic features that distinguish adrenal adenoma and carcinoma are the subjects of this paper. 65-75% of CS [14, 15]. Most cases of Cushing's disease are the result of pituitary adenomas; however, corticotrope hyperplasia is responsible for a small minority of cases. Ectopic production of ACTH from a variety of tumors (bronchial carciniod, thymoma, oat-cell carcinoma, pheochromocytoma, islet-cell tumor, and prostate cancer) accounts for 10-15% of CS. Primary adrenocortical diseases account for the remaining 20-30% of CS, including benign adenoma (10-15%), adrenocortical carcinoma (5-10%), and adenomatous hyperplasia (5%). The purpose of this review is to present a contemporary approach to the evaluation and management of patients with Cushing's syndrome, emphasizing the primary adrenal etiologies pertinent to urologists. FAU - Goldfarb, D A AU - Goldfarb DA AD - Cleveland Clinic Foundation, Department of Urology, OH 44195, USA. goldfad@cesmtp.ccf.org LA - eng PT - Journal Article PT - Review PL - Germany TA - World J Urol JT - World journal of urology JID - 8307716 SB - IM MH - Cushing Syndrome/*diagnosis/*therapy MH - Diagnosis, Differential MH - Humans MH - Laparoscopy MH - Magnetic Resonance Imaging MH - Tomography, X-Ray Computed RF - 18 EDAT- 1999/03/30 00:00 MHDA- 1999/03/30 00:01 CRDT- 1999/03/30 00:00 PHST- 1999/03/30 00:00 [pubmed] PHST- 1999/03/30 00:01 [medline] PHST- 1999/03/30 00:00 [entrez] AID - 10.1007/s003450050100 [doi] PST - ppublish SO - World J Urol. 1999 Feb;17(1):22-5. doi: 10.1007/s003450050100.