title: Healed keratoacanthoma: the 'moon crater' sign.
authors: A M
authors: AM
authors: Eghlileb
authors: A Y
authors: AY
authors: Finlay
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002921:Cicatrix / Q000209:etiology*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007636:Keratoacanthoma / Q000150:complications* / Q000175:diagnosis*; D007866:Leg; D008297:Male; D009666:Nose; D012871:Skin Diseases / Q000150:complications* / Q000175:diagnosis*