The leukemic cells of chronic lymphocytic leukemia patients with autoimmune hemolytic anemia produce isotype-switched immunoglobulins that are preferentially encoded by the 51p1 and DP-50 VH genes.

The leukemic cells of chronic lymphocytic leukemia patients with autoimmune hemolytic anemia produce isotype-switched immunoglobulins that are preferentially encoded by the 51p1 and DP-50 VH genes.