title: The histopathologic differentiation of keratoacanthoma and squamous cell carcinoma of the skin.
mesh_terms: D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis / Q000473:pathology*; D003937:Diagnosis, Differential; D006801:Humans; D007636:Keratoacanthoma / Q000175:diagnosis / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D012867:Skin / Q000473:pathology; D012871:Skin Diseases / Q000145:classification / Q000175:diagnosis / Q000473:pathology*; D012878:Skin Neoplasms / Q000145:classification / Q000175:diagnosis / Q000473:pathology*