Sections View Full Chapter Figures Tables Videos Annotate Full Chapter Figures Tables Videos Supplementary Content ++ For further information, see CMDT Part 17-04: Fat Necrosis +++ Key Features ++ Rare Can occur after Trauma Fat injections to augment breast size or fill defects after breast surgery Breast surgery Segmental resection Radiation therapy Postmastectomy flap reconstruction +++ Clinical Findings ++ Breast mass Often associated with skin or nipple retraction Usually indistinguishable from cancer even with imaging studies +++ Diagnosis ++ Core needle biopsy usually adequate for diagnosis Differential diagnosis Breast cancer Fibroadenoma Breast abscess Fibrocystic condition of breast Paget disease of the breast +++ Treatment ++ If untreated, mass gradually disappears Your MyAccess profile is currently affiliated with '[InstitutionA]' and is in the process of switching affiliations to '[InstitutionB]'. Please click ‘Continue’ to continue the affiliation switch, otherwise click ‘Cancel’ to cancel signing in. Get Free Access Through Your Institution Learn how to see if your library subscribes to McGraw Hill Medical products. Subscribe: Institutional or Individual Sign In Username Error: Please enter User Name Password Error: Please enter Password Forgot Username? Forgot Password? Sign in via OpenAthens Sign in via Shibboleth