title: [Primula dermatitis].
abstract: Ten patients with primula dermatitis observed in Hokkaido were reported. All patients presented positive patch test reactions to a part of an extract of primula obconica. Postlesional pigmentation is prominent in patients with recurrent dermatitis. Histologic features were liquefaction degeneration of a basal layer of the epidermis and incontinentia pigmenti histological, i.e., lichenoid tissue reaction.
mesh_terms: D000328:Adult; D000368:Aged; D003877:Dermatitis, Contact / Q000175:diagnosis / Q000209:etiology* / Q000473:pathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010328:Patch Tests; D010939:Plant Poisoning / Q000150:complications*