IFNG and myeloid sarcoma: As previously described (57), a higher geometric mean ΔSFU per 106 PBMC values was detected in aCD20-MS patients (geometric mean: IFNγ+ = 92.3, IL-2+ = 306.5, IFNγ+/IL-2+ = 48.1) compared to healthy controls (23.4, P< 0.001; 86.1, P< 0.001; 13.7, P< 0.001).