Leukaemia
Leukaemia is a malignant disease of blood forming organs of the body that results in uncontroled growth of immature white blood cells. The leukaemic process in the bone marrow interfers with the production of normal red cell, white cells and platelets. Leukaemia is the commonest malignant disease of the childhood and its peak incidence is between 3 to 5 years of age and it occurs more frequently in males than Iin females.
Etiology
The exact cause of leukaemia is unknown but several etiologic factors such as ( 1viruses, radiation, chemical and drug exposure, familial predisposition and a variety of Ichromosomal aberrations are associated with its cause.