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Dermatology Online Journal

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Anti-laminin 332 mucous membrane pemphigoid in a young woman treated with rituximab


Mucous membrane pemphigoid, formerly known as cicatricial pemphigoid, is a rare and difficult-to-treat bullous disorder that occurs most commonly in older adults. We describe a 32-year-old woman who was diagnosed with anti-laminin 332 mucous membrane pemphigoid through indirect immunofluorescence for laminin 332 following nonspecific histologic and direct immunofluorescence findings. At 16 weeks following completion of her first cycle of with rituximab 375mg/m2 weekly for four weeks, her mucosal erosions had resolved. Although not widely available, this case highlights the utility of anti-laminin 332 immunofluorescence for diagnostic confirmation of this entity and the efficacy of rituximab in obtaining disease control.

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