Inverted nipple

An inverted nipple (occasionally invaginated nipple) is a condition where the nipple, instead of pointing outward, is retracted into the breast. In some cases, the nipple will be temporarily protruded if stimulated. Both women and men can have inverted nipples. Causes The most common causes of nipple inversion include: Born with condition Trauma which can be caused by conditions such as fat necrosis, scars, or a result of surgery Breast sagging, drooping or ptosis Breast cancer Breast carcinoma Paget's disease Inflammatory breast cancer Breast infections or inflammations Mammary duct ectasia Breast abscess Mastitis Genetic variant of nipple shape, such as: Weaver syndrome Congenital disorder of glycosylation type 1A and 1 L Kennerknecht-Sorgo-Oberhoffer syndrome Gynecomastia...