2025. PO45 | Routine prophylaxis with PD-FX concentrate in severe inherited FX deficiency: a case report: S. Linari, L. Pieri, M. Attanasio, F. Salvianti, M. Coppo, E. Grisanti, F. Demartis, R. Fjerza, G. Castaman | Centre for Bleeding Disorders and Coagulation, Azienda Ospedaliera Universitaria Careggi, Firenze, Italy. Bleeding, Thrombosis and Vascular Biology. 4, s1 (Aug. 2025). DOI:https://doi.org/10.4081/btvb.2025.308.