title: Development of more keratoacanthomas following skin testing with nitrogen mustard in a patient with the multiple keratoacanthoma syndrome.
mesh_terms: D000328:Adult; D004342:Drug Hypersensitivity / Q000175:diagnosis*; D006801:Humans; D007636:Keratoacanthoma / Q000188:drug therapy / Q000209:etiology*; D008297:Male; D008466:Mechlorethamine / Q000009:adverse effects* / Q000276:immunology; D012882:Skin Tests; D013997:Time Factors
chemical_list: D008466:Mechlorethamine