title: Primary cutaneous lichen amyloidosis of the external auditory canal, possibly due to scratching with a metal nail head for severe pruritus.
authors.affiliation: Department of Dermatology.
authors.forename: Kio
authors.initials: K
authors.lastname: Park
authors.affiliation: Department of Otolaryngology, Yamato Takada Municipal Hospital, 1-1 Isonokitamachi, Yamato Takada, Nara 635-0094, Japan.
authors.forename: Takashi
authors.initials: T
authors.lastname: Taniyama
authors.affiliation: Department of Dermatology, Kyoto School of Medicine, Kyoto, Japan.
authors.forename: Kenji
authors.initials: K
authors.lastname: Kabashima
authors.affiliation: Department of Dermatology, Kyoto School of Medicine, Kyoto, Japan.
authors.forename: Yoshiki
authors.initials: Y
authors.lastname: Miyachi
mesh_terms: D000368:Aged; D028226:Amyloidosis, Familial / Q000209:etiology*; D004424:Ear Canal; D004427:Ear Diseases / Q000209:etiology*; D006801:Humans; D008010:Lichen Planus / Q000209:etiology; D008297:Male; D008670:Metals; D011537:Pruritus / Q000150:complications*; D012720:Severity of Illness Index; D012873:Skin Diseases, Genetic / Q000209:etiology*
chemical_list: D008670:Metals