| Table 1: | |||||
|
French-American-British
(FAB) Classification of MDS
|
|||||
|
MDS
Subtype
|
Percentage
of Peripheral Blasts |
Percentage
of Bone Marrow Blasts |
AML
Transformation
|
Median
Survival (Months) |
Percentage
of MDS Diagnoses |
| Refractory anemia (RA) |
<1
|
<5
|
10-20
|
30-65
|
10-40
|
| Refractory anemia with ringed sideroblasts (RARS) |
<1
|
<5
|
10-35
|
34-83
|
10-35
|
| Refractory anemia with excess blasts (RAEB) |
<5
|
5-20
|
>50
|
8-18
|
25-30
|
| Refractory anemia with excess blasts in transformation (RAEB-T) |
>5
|
21-29
|
60-100
|
4-11
|
10-30
|
| Chronic myelomonocytic leukemia (CMML) |
<5
|
<20
|
>40
|
15-32
|
10-20
|
|
Copyright
2002 The Cleveland Clinic Foundation
|
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