Paraneoplastic pemphigus (PNP) is associated with various forms of underlying neoplasia. We report a patient with PNP associated with an intraabdominal follicular dendritic cell sarcoma that developed from a Castleman's tumor that had preexisted for 40 years.
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This supplement is made possible through an educational grant from Ortho Dermatological to the American Academy of Dermatology.
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