Epidermal cyst of the breast.
Two cases of epidermal cyst of the breast are presented. Mammography and ultrasonography merely confirmed that the masses were solid. As is usual with these extremely rare lesions, the initial diagnoses (fibroadenoma and carcinoma) were incorrect.
D000328:Adult; D003951:Diagnostic Errors; D004814:Epidermal Cyst / Q000175:diagnosis* / Q000601:surgery; D005260:Female; D005348:Fibrocystic Breast Disease / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D008327:Mammography; D008875:Middle Aged; D011247:Pregnancy; D014463:Ultrasonography