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Acute lymphoblastic leukemia

Disease definition

Acute lymphoblastic leukaemia (ALL) is a malignant proliferation of lymphoid cells blocked at an early stage of differentiation and accounts for 75% of all cases of childhood leukaemia.


  • Synonym(s):
    • ALL
    • Acute lymphoblastic leukemia/lymphoma
    • Acute lymphocytic leukemia
  • Prevalence: 1-5 / 10 000
  • Inheritance: -
  • Age of onset: All ages
  • ICD-10: C91.0
  • OMIM: 247640  613065  613067
  • UMLS: C0023449
  • MeSH: -
  • GARD: 522
  • MedDRA: -

Detailed information


Additional information

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