RAI staging system


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RAI staging system

Oncology A system used to 'stage' Pts with CLL. See Chronic lymphocytic leukemia.
Rai staging system
Low
0 Lymphocytosis only
Intermediate
I Lymphocytosis + lymphadenopathy
II Lymphocytosis + splenomegaly with/without lymphadenopathy or hepatomegaly
High
III Lymphocytosis + anemia, with or without organomegaly
IV Lymphocytosis + anemia + thrombocytopenia, with or without organomegaly