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Back| FAB Type | Peripheral Blood | Bone Marrow |
|---|---|---|
| RA | Blasts＜1% | Blasts＜5% |
| RAS | Blasts＜1% | Blasts＜5%, Ringed Sideroblasts＞15% of Nucleated Red Blood Cells |
| RAEB | Blasts＜5% | Blasts 5%~20% |
| RAEB-t | Blasts≥5% | Blasts＞20% but ＜30%; or Presence of Auer Rods in Immature Granulocytes |
| CMML | Blasts＜5%, Absolute Monocyte Count＞1×109/L | Blasts 5%~20% |
Explanation
RA: Refractory Anemia; RAS: Refractory Anemia with Ringed Sideroblasts; RAEB: Refractory Anemia with Excess Blasts; RAEB-t: RAEB in Transformation; CMML: Chronic Myelomonocytic Leukemia.
