“44 | EXTENSIVE ULCERATIVE-BULLOUS LESIONS IN A PATIENT WITH GRANULOMATOSIS WITH POLYANGIITIS: A DIAGNOSTIC CHALLENGE: F. Fazzari1, G. Cecchi1, C. Cardinali2, D. Bonciani2, F. Taviti2 | 1Department of Health Sciences, Section of Dermatology, University of Florence, Italy; 2SOC, Pistoia-Prato Hospital, USL Toscana Centro, Pistoia, Italy”. 2026. Dermatology Reports 18 (s1). https://doi.org/10.4081/dr.2026.11102.