Revised International Prognostic Scoring System for Myelodysplastic SyndromeLoading...Cytogenetic groupVery good: del(11q) or -Y0Good: normal karyotype, del(20q), del(5q), del(12p), or double including del(5q)+1Intermediate: +8, del(7q), i(17q), +19, or any other single or double independent clone+2Poor: -7, inv(3)/t(3q)/del(3q), double including -7/del(7q), or complex (3 abnormalities)+3Very poor: complex >3 abnormalities+4Medullary blasts, %≤ 20> 2 to < 5+15 to 10+2Hemoglobin, g/dL (g/L)≥10 (≥100)08 to < 10 (<100)+1< 8 (<80)+1.5Platelets, x10^3/ul or 10^9/L≥100050 to <100+0.5<50+1ANC, x10^3/uL or 10^9/L≥0.80<0.8+0.5适用指征洞见与注意事项