Adrenocortical carcinoma natural history

Adrenocortical carcinoma Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Prognosis

ACC, generally, carries a poor prognosis and is unlike most tumours of the adrenal cortex, which are benign (adenomas) and only occasionally cause Cushing's syndrome. Five-year disease-free survival for a complete resection of a stage I-III ACC is approximately 30%. The most important prognostic factors are age of the patient and stage of the tumor. Poor prognostic factors: mitotic activity, venous invasion, weight of 50g+; diameter of 6.5 cm+, Ki-67/MIB1 labeling index of 4%+, p53+.