title: Solitary keratoacanthoma in a child.
mesh_terms: D001706:Biopsy; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis; D002648:Child; D003937:Diagnosis, Differential; D006801:Humans; D007636:Keratoacanthoma / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery; D007866:Leg / Q000473:pathology* / Q000601:surgery; D008297:Male; D008976:Molluscum Contagiosum / Q000175:diagnosis; D012878:Skin Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery