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Aetiology

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

The cause of CLL is unknown. There is no evidence that exposure to ionizing radiation, drugs or chemicals are associated with an increased risk (1).

There may be a genetic predisposition to CLL.

  • an increase risk of CLL and other primary cancers have been observed in relatives of patients with CLL
  • currently no genes responsible for increased risk of CLL has been identified (1)

Reference:

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