title: Multiple keratoacanthomas involving the head and neck.
mesh_terms: D000293:Adolescent; D001132:Arm; D002294:Carcinoma, Squamous Cell / Q000473:pathology; D003937:Diagnosis, Differential; D004427:Ear Diseases / Q000473:pathology*; D006801:Humans; D007636:Keratoacanthoma / Q000473:pathology* / Q000601:surgery; D008047:Lip Diseases / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D009333:Neck; D009668:Nose Diseases / Q000473:pathology*