RT Book, Section A1 Doherty, Gerard M. SR Print(0) ID 58111595 T1 Gynecomastia T2 Quick Answers Surgery YR 2010 FD 2010 PB The McGraw-Hill Companies PP New York, NY SN LK accesssurgery.mhmedical.com/content.aspx?aid=58111595 RD 2024/10/04 AB • Hypertrophy of normal breast tissue• Can be divided into 2 categories: 1. Pubertal hypertrophy (ages 13-17) 2. Senescent hypertrophy (older than age 50)