Clinical and Etiological Aspects of Gynecomastia in Adult Males: A Multicenter Study.

Objectives: To evaluate the characteristics of presentation, biochemical profile, and etiology of gynecomastia in adults.

Methods: Medical records of 237 men aged 18-85 years with gynecomastia were evaluated.

Results: Highest prevalence of gynecomastia was observed between 21 and 30 years (n = 74; 31.