Leukaemia, chronic lymphocytic

A type of leukaemia caused by proliferation of mature lymphocytes. Although it is incurable, the disease is not always fatal. The cause is unknown. Symptoms develop slowly, often over many years. As well as symptoms and signs common to acute forms of leukaemia (see leukaemia, acute), there may be enlargement of the liver and spleen, persistent raised temperature, and night sweats. Diagnosis is by blood tests and a bone marrow biopsy. In many mild cases, no treatment is needed. To treat severe cases, anticancer drugs are given, sometimes with radiotherapy.

 

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