PB2216: VACUOLES APPEAR IN RED BLOOD CELLS TRANSFUSED TO PATIENTS WITH SICKLE CELL DISEASE-RELATED HYPOSPLENISM. (23rd June 2022) - Dumas, L.; Sissoko, A.; Fricot, A.; Salama, N.; Joseph, L.; Manceau, S.; Dokmak, S.; Michel, A.; Maitre, B.; Gachet, C.; Cavazzana, M.; Roussel, C.; et al.