Keratotic basal-cell carcinoma arising from an epidermoid cyst.
D000368:Aged; D002280:Basal Cell Carcinoma / Q000209:etiology* / Q000473:pathology; D003560:Cysts / Q000150:complications*; D005260:Female; D006801:Humans; D011230:Precancerous Conditions; D012867:Skin / Q000473:pathology; D012878:Skin Neoplasms / Q000209:etiology* / Q000473:pathology