The strategy for diagnosisand management of ACTH-dependent Cushing's syndrome

：Majority of the patients(about 80% ) with Cushing's syndrome are ACTH-dependent,which includingpituitary-dependent Cushing's syndrome and ectopic ACTH syndrome. The diagnosis andtreatment of this disease is rather complicated and difficult. A lot of progresses in thisfield have been made within the recent decades, though there are still many problems. Hereintroduces and evaluates the methods which are used widely for diagnosis, differentialdiagnosis and treatment. The strategy of the choice making are discussed. Briefintroduction for guideline on the diagnosis of Cushing's syndrome and for the consensus ofACTH-dependent Cushing's syndrome which was published in 2008 is also be made.