
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.
Adult, Male, Plant Poisoning, Humans, Female, Middle Aged, Patch Tests, Dermatitis, Contact, Aged
Adult, Male, Plant Poisoning, Humans, Female, Middle Aged, Patch Tests, Dermatitis, Contact, Aged
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