Localized Bullous Pemphigoid Triggered by Surgical Trauma: A Case Highlighting the Koebner Phenomenon

Key Points

• To investigate the occurrence of localized bullous pemphigoid following surgical trauma in an elderly patient.
• Reported case of a 90-year-old woman with localized BP after orthopedic surgery.
• Histological examination of skin lesions was performed.
• Immunofluorescence analysis for C3 deposition and circulating anti-BP180 antibodies was conducted.
• Topical corticosteroid therapy was initiated for treatment.
• Localized BP developed along the surgical scar one month post-surgery.
• Histology showed a subepidermal blister with eosinophils.
• Immunofluorescence confirmed C3 deposition and presence of anti-BP180 antibodies.
• Clinical improvement noted after starting topical corticosteroid therapy.

Abstract