Description: Beginning with a discussion of the mammographic and sonographic features of fibroadenoma, pattern variations, and juvenile fibroadenoma, this module focuses on a variety of solid breast masses. Other topics include secretory adenoma, intraductal papilloma, nipple adenoma, papillomatosis, intracystic papilloma , lipoma, hamartoma, and benign mimickers of cancer. The module concludes with an overview of mammary fibrosis, diabetic mastopathy, sclerosis adenosis, and granular cell tumors. Core Concepts: 60 min Focus Session: 45 min CME 1 SDMS CME