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Paraneoplastic Pemphigus in a Patient With Relapsed Breast Cancer: An Uncommon Presentation.

Carlos Salgado1, Ivan Cabo2,3,1, Guilherme Fontinha4

  • 1Stomatology Service - Head, Neck and Skin Surgery, Coimbra Local Health Unit, Coimbra, PRT.

Cureus
|January 14, 2026
PubMed
Summary

Paraneoplastic pemphigus (PNP) is a rare autoimmune blistering disease. This case shows PNP as an early sign of breast cancer recurrence over a decade after initial treatment.

Keywords:
autoimmune diseasesbreast neoplasmsneoplasm recurrenceparaneoplastic pemphigusvesiculobullous diseases

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