Endocrine Abstracts

Oncocytic adrenocortical neoplasm (OAN) represents a rare variant of adrenocortical carcinoma (ACC) with less than 150 cases reported in the literature. OANs account for 1.8% of adrenal masses, predominantly in adults and usually presenting as large tumors featuring hormonal secretion in 20% of cases. Accurate histological characterization of OANs is crucial as this subtype is believed to be more indolent in clinical behavior. There are 3 categories of OANs: pure oncocytic, mi...