Keratoacanthoma versus squamous cell carcinoma.
D000328:Adult; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D007636:Keratoacanthoma / Q000175:diagnosis*; D008047:Lip Diseases / Q000175:diagnosis*; D008048:Lip Neoplasms / Q000175:diagnosis*; D008297:Male; D014860:Warts / Q000175:diagnosis