IPSS Risk Score

**Semantic type:** Intellectual Product

**Definition:** The total score for myelodysplastic syndrome progression that considers the percentage of blasts in bone marrow (scored on a scale from zero to 2), chromosome abnormalities (scored from zero to 1), and the patient's blood counts (scored as zero or 0.5).

**Synonyms:** - International Prognostic Scoring System for Myelodysplastic Syndrome Risk Score