1. Leukaemia These are cancers of the bone marrow, originating in precursors of white blood cells and account for 30% of childhood cancers. Leukaemia can cause bone and joint pain, fatigue, weakness, pale skin, bleeding or bruising, fever, and weight loss. Most childhood leukaemias are acute, progress rapidly, and need urgent referral to a paediatric oncologist. The main types are: Acute leukaemias: Acute lymphoblastic leukaemia (ALL): 75% of leukaemias, originate in lymphocytes. Acute myeloid leukaemia (AML): Originate from myeloid cells. Chronic leukaemias: Rare in children and grow more slowly than acute leukemias. For example: chronic myeloid leukaemia. 2. Brain tumours A brain tumour is an abnormal…
