“P44 | Advanced Diagnostic Approaches in Unexplained Hyper-Eosinophilia: Navigating the Challenges of Parasitic Infections: M. Colorato1, A. Aceranti1, S. Vernocchi1, C. Simoni2, C. Celesia2, L. Maroni2, V. D’Ambrosio2, S. Limbiati2, F. Staffa2, T. Kosmos3 | 1Istituto Europeo Di Scienze Forensi E Biomediche, Milano, 2Ospedale Di Gallarate, ASST Valle Olona (VA), 3Ospedale Di Busto Arsizio, ASST Valle Olona (VA), Italy”. 2025. Italian Journal of Medicine 19 (1(s1). https://doi.org/10.4081/itjm.2025.2237.