Approach to the patient with ectopic ACTH syndrome caused by adrenal pheochromocytoma : diagnosis and treatment

Ectopic ACTH syndrome caused by adrenal pheochromocytoma is very rare.A case was herewith reported and the domestic and foreign literatures were reviewed.The correct diagnosis of the syndrome depends on clinical,biochemical,hormonal,radiographic,pathological investigations,as well as tumor immunohistochemistry for final comprehensive judgments. Key words: Pheochromocytoma;  Adrenocorticotropic hormone;  ACTH syndrome, ectopic