International Workshop classification for chronic lymphocytic leukemia

International Workshop classification for chronic lymphocytic leukemia

A clinical staging system that blends features of Rai and Binet classifications of CLL International Workshop classification, CLL Stage A No anemia or thrombocytopenia and < 3 involved lymphoid regions Stage B No anemia or thrombocytopenia and > 3 involved lymphoid regions Stage C Anemia and/or thrombocytopenia, regardless of amount of involved lymphoid tissue