Keratoacanthoma; differential diagnosis from squamous-cell carcinoma of the skin.
D002294:Carcinoma, Squamous Cell / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D007636:Keratoacanthoma; D012878:Skin Neoplasms / Q000175:diagnosis*
CARCINOMA, EPIDERMOID/differential diagnosis; SKIN NEOPLASMS/differential diagnosis