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. Dermatol Reports [Internet]. 2026 Sep. 24 [cited 2026 Sep. 24];18(s1). Available from: https://journals.pagepress.net/dr/article/view/11102