“52 | ADULT LANGERHANS CELL HISTIOCYTOSIS: A DERMATOLOGICAL DIAGNOSTIC CHALLENGE UNVEILING MULTISYSTEM DISEASE: M. Donati1, A. Corrà2, A. Verdelli3, N. Pimpinelli3, C. Longo1, M. Caproni3 | 1Department of Dermatology, University of Modena and Reggio Emilia, Modena, Italy; 2Dermatology Unit, Ospedale San Bartolo, Vicenza, Italy; 3Section of Dermatology, Department of Health Sciences, University of Florence, Italy” (2026) Dermatology Reports, 18(s1). doi:10.4081/dr.2026.11068.