Definition: A chronic leukemia characterized by abnormal B-lymphocytes and often generalized lymphadenopathy. In patients presenting predominately with blood and bone marrow involvement it is called chronic lymphocytic leukemia (CLL); in those predominately with enlarged lymph nodes it is called small lymphocytic lymphoma. These terms represent spectrums of the same disease.
Other names Lymphoma, Small Lymphocytic; Lymphocytic Leukemia, Chronic, B-Cell; Leukemia, Lymphocytic, Chronic; Leukemia, B-Cell, Chronic; Chronic Lymphocytic Leukemia; B-Lymphocytic Leukemia, Chronic; B-Cell Leukemia, Chronic; Well-Differentiated Lymphocytic Lymphomas; Well-Differentiated Lymphocytic Lymphoma; Small-Cell Lymphomas; Small Lymphocytic Lymphomas; Small Lymphocytic Lymphoma; Small Cell Lymphoma; Lymphoplasmacytoid Lymphomas, CLL; Lymphomas, Well-Differentiated Lymphocytic; Lymphomas, Small-Cell; Lymphomas, Small Lymphocytic; Lymphomas, Lymphocytic; Lymphomas, CLL Lymphoplasmacytoid; Lymphoma, Well-Differentiated Lymphocytic