Proliferating epidermoid cysts.
D000368:Aged; D003560:Cysts / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008853:Microscopy; D010212:Papilloma / Q000175:diagnosis*; D012878:Skin Neoplasms / Q000175:diagnosis*