We report a 78-year-old woman with rheumatoid neutrophilic dermatosis (RND) presenting with tense blisters; an extremely rare manifestation of this condition. Systemic corticosteroid was of limited efficacy, while dapsone was effective. A literature review of four similar cases showed that tense blisters in this type of RND tended to appear on the lower extremities of aged, female rheumatoid arthritis patients. Of note, half of the cases were resistant to corticosteroids, as anti-neutrophil agents are reported to be effective. Accordingly, it is important to recognise this unusual manifestation for the timely initiation of appropriate therapy.
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