Journal of the American Academy of Dermatology
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Bullous pemphigoid is a chronic blistering disorder characterized by specific clinical, histologic, and immunofluorescent findings. Several variants have been described, including pemphigoid nodularis, which may mimic or evolve from or into prurigo nodularis. ⋯ Direct immunofluorescence then confirmed the diagnosis of bullous pemphigoid. Apparently this patient had prurigo nodularis and then developed bullous pemphigoid.