2025. 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. Italian Journal of Medicine. 19, 1(s1) (Aug. 2025). DOI:https://doi.org/10.4081/itjm.2025.2237.