ectopic Cushing syndrome

ectopic Cushing syndrome

Endocrinology Cushing syndrome due to extra-pituitary production of ACTH Ectopic sites Thymoma, medullary CA of thyroid, pheochromocytoma, islet cell tumors of pancreas, small cell CA of lung. See Cushing syndrome.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
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In this scenario the disease is labeled as ectopic Cushing syndrome.6 In the latter case the search of etiology sometimes presents as a challenge.7,8 Bilateral Inferior petrosal sinus sampling is considered gold standard for anatomical localization of Cushing disease.9
Zhao, "Ectopic Cushing syndrome in small cell lung cancer: a case report and literature review," Thoracic Cancer, vol.
Ectopic Cushing syndrome (ECS) results from autonomous ACTH production from extrapituitary malignancies with elevated plasma levels of ACTH accounting for 15% of cases of CS [2].