PB2216: VACUOLES APPEAR IN RED BLOOD CELLS TRANSFUSED TO PATIENTS WITH SICKLE CELL DISEASE-RELATED HYPOSPLENISM - L. Dumas; A. Sissoko; A. Fricot; N. Salama; L. Joseph; S. Manceau; S. Dokmak; A. Michel; B. Maitre; C. Gachet; M. Cavazzana; C. Roussel; et al. (HemaSphere, 2022)