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Leukemia, Lymphocytic, Chronic, B-Cell MeSH Descriptor Data 2026


MeSH Heading
Leukemia, Lymphocytic, Chronic, B-Cell
Tree Number(s)
C04.557.337.428.080.125
C15.378.508.428.080.125
C15.604.515.560.080.125
C20.683.515.528.080.125
C23.550.291.500.483
Unique ID
D015451
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D015451
Scope Note
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.
Entry Term(s)
B-Cell Chronic Lymphocytic Leukemia
B-Cell Leukemia, Chronic
B-Cell Malignancy, Low-Grade
B-Lymphocytic Leukemia, Chronic
Chronic Lymphocytic Leukemia
Diffuse Well-Differentiated Lymphocytic Lymphoma
Disrupted In B-Cell Malignancy
Leukemia, B Cell, Chronic
Leukemia, B-Cell, Chronic
Leukemia, Chronic Lymphatic
Leukemia, Chronic Lymphocytic
Leukemia, Chronic Lymphocytic, B-Cell
Leukemia, Lymphoblastic, Chronic
Leukemia, Lymphocytic, Chronic
Leukemia, Lymphocytic, Chronic, B Cell
Lymphoblastic Leukemia, Chronic
Lymphocytic Leukemia, Chronic
Lymphocytic Leukemia, Chronic, B Cell
Lymphocytic Leukemia, Chronic, B-Cell
Lymphocytic Lymphoma
Lymphocytic Lymphoma, Diffuse, Well Differentiated
Lymphocytic Lymphoma, Diffuse, Well-Differentiated
Lymphocytic Lymphoma, Well Differentiated
Lymphocytic Lymphoma, Well-Differentiated
Lymphoma, Lymphocytic
Lymphoma, Lymphocytic, Diffuse, Well Differentiated
Lymphoma, Lymphocytic, Diffuse, Well-Differentiated
Lymphoma, Lymphocytic, Well Differentiated
Lymphoma, Lymphocytic, Well-Differentiated
Lymphoma, Lymphoplasmacytoid, CLL
Lymphoma, Small Lymphocytic
Lymphoma, Small Lymphocytic, Plasmacytoid
Lymphoma, Small-Cell
Lymphoplasmacytoid Lymphoma, CLL
Small-Cell Lymphoma
NLM Classification #
WH 260
Previous Indexing
B Lymphocytes (1977-1988)
Leukemia, Lymphoblastic (1977-1988)
Leukemia, Lymphocytic (1977-1988)
Public MeSH Note
2008; see LEUKEMIA, B-CELL, CHRONIC 1989-2007; for LYMPHOMA, SMALL LYMPHOCYTIC see LYMPHOMA, SMALL LYMPHOCYTIC 1991-2007; for LYMPHOMA, SMALL-CELL see LYMPHOMA, SMALL CELL 1991-2007, see LYMPHOMA, LYMPHOCYTIC 1987-1990; for LEUKEMIA, LYMPHOCYTIC, CHRONIC, see LEUKEMIA, LYMPHOCYTIC, CHRONIC 1989-2007, see LEUKEMIA, LYMPHOCYTIC 1974-1988
History Note
2008 (1989)
Date Introduced
1989/01/01
Last Updated
2023/05/31
Leukemia, Lymphocytic, Chronic, B-Cell Preferred
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