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Polycythaemia vera

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polycythaemia vera --> polycythaemia rubra vera

(Science: haematology) A condition characterised by enlargement of the spleen and the increased production of red blood cells by the bone marrow.

diagnosis is based on an increased number and volume of red cells. The total number of white blood cells and platelets may also be increased. Treatment will vary according to the age of the patient and severity of the disease. This condition carries an increased risk of developing acute leukaemia.

The disease usually begins in late middle life and is slightly more common in males.