Diseases

Lymphocytic Chronic B-Cell Leukemia

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.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

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.

MeSH Record

Classification

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MeSH Record

Synonyms

89 entry terms
  • 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
  • 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
  • B Cell Chronic Lymphocytic Leukemia
  • B Cell Leukemia, Chronic
  • B Cell Malignancy, Low Grade
  • B Lymphocytic Leukemia, Chronic
  • B-Cell Leukemias, Chronic
  • B-Cell Malignancies, Low-Grade
  • B-Lymphocytic Leukemias, Chronic
  • CLL Lymphoplasmacytoid Lymphoma
  • CLL Lymphoplasmacytoid Lymphomas
  • Chronic B-Cell Leukemia
  • Chronic B-Cell Leukemias
  • Chronic B-Lymphocytic Leukemia
  • Chronic B-Lymphocytic Leukemias
  • Chronic Lymphatic Leukemia
  • Chronic Lymphatic Leukemias
  • Chronic Lymphoblastic Leukemia
  • Chronic Lymphoblastic Leukemias
  • Chronic Lymphocytic Leukemias
  • Diffuse Well Differentiated Lymphocytic Lymphoma
  • Disrupted In B Cell Malignancy
  • Leukemia, Chronic B-Cell
  • Leukemia, Chronic B-Lymphocytic
  • Leukemias, Chronic B-Cell
  • Leukemias, Chronic B-Lymphocytic
  • Leukemias, Chronic Lymphatic
  • Leukemias, Chronic Lymphoblastic
  • Low-Grade B-Cell Malignancies
  • Low-Grade B-Cell Malignancy
  • Lymphatic Leukemia, Chronic
  • Lymphatic Leukemias, Chronic
  • Lymphoblastic Leukemias, Chronic
  • Lymphocytic Leukemias, Chronic
  • Lymphocytic Lymphoma, Small
  • Lymphocytic Lymphomas
  • Lymphocytic Lymphomas, Small
  • Lymphocytic Lymphomas, Well-Differentiated
  • Lymphoma, CLL Lymphoplasmacytoid
  • Lymphoma, Small Cell
  • Lymphoma, Well-Differentiated Lymphocytic
  • Lymphomas, CLL Lymphoplasmacytoid
  • Lymphomas, Lymphocytic
  • Lymphomas, Small Lymphocytic
  • Lymphomas, Small-Cell
  • Lymphomas, Well-Differentiated Lymphocytic
  • Lymphoplasmacytoid Lymphomas, CLL
  • Malignancies, Low-Grade B-Cell
  • Malignancy, Low-Grade B-Cell
  • Small Cell Lymphoma
  • Small Lymphocytic Lymphoma
  • Small Lymphocytic Lymphomas
  • Small-Cell Lymphomas
  • Well-Differentiated Lymphocytic Lymphoma
  • Well-Differentiated Lymphocytic Lymphomas

MeSH Record

Aspects Covered

35 allowable subheadings

Indexed with the subheadings blood, cerebrospinal fluid, chemically induced, classification, complications, congenital, diagnosis, diagnostic imaging, diet therapy, drug therapy, economics, embryology, enzymology, epidemiology, ethnology, etiology, genetics, history, immunology, metabolism, microbiology, mortality, nursing, parasitology, pathology, physiopathology, prevention & control, psychology, radiotherapy, rehabilitation, surgery, therapy, urine, veterinary, virology.

MeSH Record

History Note

2008 (1989)

MeSH Record

Previous Indexing

  • B Lymphocytes (1977-1988)
  • Leukemia, Lymphoblastic (1977-1988)
  • Leukemia, Lymphocytic (1977-1988)

MeSH Hierarchy

Tree Numbers

MeSH Record

NLM Classification

WH 260

AMA Style

References

  1. National Library of Medicine. Lymphocytic Chronic B-Cell Leukemia. Medical Subject Headings (MeSH). 2026. Unique ID D015451. http://id.nlm.nih.gov/mesh/2026/D015451
  2. Lymphocytic Chronic B-Cell Leukemia. In: Wikipedia. https://en.wikipedia.org/wiki/Chronic_lymphocytic_leukemia
  3. Lymphocytic Chronic B-Cell Leukemia. In: Wikidata. https://www.wikidata.org/wiki/Q1088156