title: Keratoacanthoma arising in hypertrophic lichen planus.
authors.forename: A
authors.initials: A
authors.lastname: Badell
authors.forename: J
authors.initials: J
authors.lastname: Marcoval
authors.forename: I
authors.initials: I
authors.lastname: Gallego
authors.forename: A
authors.initials: A
authors.lastname: Moreno
authors.forename: J
authors.initials: J
authors.lastname: Peyrí
mesh_terms: D006801:Humans; D007636:Keratoacanthoma / Q000209:etiology* / Q000473:pathology; D007868:Leg Dermatoses / Q000473:pathology; D008010:Lichen Planus / Q000150:complications* / Q000473:pathology; D008297:Male; D008875:Middle Aged