Diseases

Leukemia

A progressive, malignant disease of the blood-forming organs, characterized by distorted proliferation and development of leukocytes and their precursors in the blood and bone marrow. Leukemias were originally termed acute or chronic based on life expectancy but now are classified according to cellular maturity. Acute leukemias consist of predominately immature cells; chronic leukemias are composed of more mature cells. (From The Merck Manual, 2006)

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A progressive, malignant disease of the blood-forming organs, characterized by distorted proliferation and development of leukocytes and their precursors in the blood and bone marrow. Leukemias were originally termed acute or chronic based on life expectancy but now are classified according to cellular maturity. Acute leukemias consist of predominately immature cells; chronic leukemias are composed of more mature cells. (From The Merck Manual, 2006)

MeSH Record

Classification

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See Also

MeSH Record

Synonyms

5 entry terms
  • Leucocythaemia
  • Leucocythemia
  • Leucocythaemias
  • Leucocythemias
  • Leukemias

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

Indexing Annotation

general or unspecified; many specific leukemia types are available

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Leukemia. Medical Subject Headings (MeSH). 2026. Unique ID D007938. http://id.nlm.nih.gov/mesh/2026/D007938
  2. Leukemia. In: Wikipedia. https://en.wikipedia.org/wiki/Leukemia
  3. Leukemia. In: Wikidata. https://www.wikidata.org/wiki/Q29496