Chronic lymphocytic leukemia clinical staging
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Haytham Allaham, M.D. [2]
Overview
Staging System
Rai Staging System
According to the Rai Staging System, there are five stages of chronic lymphocytic leukemia based on the degree of lymphocytosis, hemoglobin level, platelets level, the presence of splenomegaly, and the presence of lymphadenopathy.[1]
Stage | Hemoglobin Level | Platelets Level | Lymphocytosis | Splenomegaly | Lymphadenopathy | Median Survival |
---|---|---|---|---|---|---|
Stage 0 |
>11 g/dL |
>100,000/L |
Present |
Absent |
Absent |
>150 months |
Stage 1 |
>11 g/dL |
>100,000/L |
Present |
Absent |
Present |
101 months |
Stage 2 |
>11 g/dL |
>100,000/L |
Present |
Present |
Present or absent |
71 months |
Stage 3 |
<11 g/dL |
>100,000/L |
Present |
Present or absent |
Present or absent |
19 months |
Stage 4 |
<11 g/dL or >11g/dL |
<100,000/L |
Present |
Present or absent |
Present or absent |
19 months |
References
- ↑ Rai KR, Sawitsky A, Cronkite EP, Chanana AD, Levy RN, Pasternack BS (1975). "Clinical staging of chronic lymphocytic leukemia". Blood. 46 (2): 219–34. PMID 1139039.