P128 | Beyond thresholds: hyperviscosity syndrome in Waldenström’s macroglobulinemia - A Case report: B.A.L. Rocca1, S. Tunnera2, B. Matilde2, M.C. Vinci3, M.L. Imbalzano3, V. Vannucchi3, B.M.A. Cimolato3 | 1AUO Careggi, Firenze, 2AUO Careggi, Firenze, 3Santa Maria Nuova, Firenze, Italy. Ital J Med [Internet]. 2025 Aug. 27 [cited 2026 Apr. 16];19(s1). Available from: https://www.italjmed.org/ijm/article/view/2324