Chronic Lymphocytic Leukemia

**Semantic type:** Neoplastic Process

**Definition:** The most common type of chronic lymphoid leukemia. It comprises 90% of chronic lymphoid leukemias in the United States. Morphologically, the neoplastic cells are small, round B-lymphocytes. This type of leukemia is not considered to be curable with available therapy. (WHO, 2001)

**Synonyms:** - B Cell CLL - B Cell Chronic Lymphocytic Leukemia - B Cell Lymphocytic Leukemia - B-Cell CLL - B-Cell Chronic Lymphocytic Leukemia - B-Cell Chronic Lymphoid Leukemia - B-Cell Lymphocytic Leukemia - BCLL - CLL - CLL - Chronic B-Cell Lymphocytic Leukemia - Chronic Lymphocytic Leukemia (CLL) - Chronic Lymphocytic Leukemia (CLL) - Chronic lymphatic leukemia - Chronic lymphocytic leukemia - Chronic lymphocytic leukemia, NOS - Hematopoeitic - Chronic Lymphocytic Leukemia (CLL) - chronic lymphocytic leukemia