Content » Vol 71, Issue 5

Exanthematic type of pustular psoriasis consisting of two types of pustular lesion.

Matsumura N, Takematsu H, Saijo S, Hashimoto K, Tagami H
DOI: 10.2340/0001555571442444


A 35-year-old female developed generalized pustules within a short period of time. Clinically, two distinct types of pustules were observed, viz. erythematous patches studded with crops of small pustules, and isolated large pustules with a red halo. Histologically, the former were subcorneal spongiform pustules, whereas the latter were unilocular pustules involving the hair follicular infundibulum or a subcorneal unilocular pustule on the palmo-plantar skin. On the basis of the sudden appearance of the pustules without any pre-existing lesions of psoriasis and the histological findings of the spongiform pustules, we made a diagnosis of the exanthematic type of pustular psoriasis. The lesions responded in a dose-dependent fashion to oral cyclosporin.


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