Several variants of bullous pemphigoid have been reported including pemphigoid nodularis. Patients with pemphigoid nodularis have clinical features of prurigo nodularis in combination with clinical or immunologic characteristics of bullous pemphigoid. We report the case of a 71-year-old woman with pemphigoid nodularis. The diagnosis was suspected clinically and established by positive indirect immunofluorescence (IIF) findings characteristic of pemphigoid. Results of direct immunofluorescence (DIF) testing were negative, which emphasizes the importance of conducting both DIF and IIF when pemphigoid nodularis is suspected.
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