title: Twenty-nail dystrophy (trachyonychia) caused by lichen planus in a patient with gold allergy.
authors.forename: H
authors.initials: H
authors.lastname: Yokozeki
authors.forename: S
authors.initials: S
authors.lastname: Niiyama
authors.forename: K
authors.initials: K
authors.lastname: Nishioka
mesh_terms: D003793:Dental Restoration, Permanent / Q000009:adverse effects; D003875:Drug Eruptions / Q000209:etiology*; D006047:Gold Alloys / Q000009:adverse effects*; D006801:Humans; D008010:Lichen Planus / Q000139:chemically induced*; D008297:Male; D008875:Middle Aged; D009264:Nails, Malformed / Q000139:chemically induced*
chemical_list: D006047:Gold Alloys