A woman in her 50s presented for evaluation of itching skin lesions. The lesions had been present for months and increased gradually. Mucosae were unaffected. Treatment with topical steroids showed no lasting effect. Skin examination revealed multiple flaccid pustules on scaly, erythematous plaques on her trunk, with an annular and circinate pattern (Figure, A and B).
B. IgA pemphigus
Kiritsi D, Hoch M, Kern JS. Annular Flaccid Pustules on the Trunk. JAMA Dermatol. 2017;153(9):921–922. doi:10.1001/jamadermatol.2017.0901
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