International Prognostic Scoring System for Myelodysplastic Syndromes
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International Prognostic Scoring System for Myelodysplastic Syndromes
International Prognostic Scoring System for Myelodysplastic Syndromes
Prognostic Score Value Variable 0 0.5 1.0 1.5 2.0
BM blasts (%) <5 5-10 - 11-20 21-30
Karyotype* Good Intermediate Poor
Cytopenias 0/1 2/3
Scores for risk groups are as follows: Low, 0; INT-1, 0.5-1.0; INT-2, 1.5-2.0; and High, ≥2.5. *Good, normal, -Y, del(5q), del(20q); Poor, complex (≥3 abnormalities) or chromosome 7 anomalies; Intermediate, other abnormalities.
Greenberg, P., C. Cox, M.M. LeBeau, P. Fenaux, P. Morel, G. Sanz, M. Sanz, T. Vallespi, T. Hamblin, D. Oscier, K. Ohyashiki, K. Toyama, C. Aul, G. Mufti, and J. Bennett. 1997. International scoring system for evaluating prognosis in myelodysplastic syndromes. Blood 89:2079-2088.