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Related Subjects: |Leukaemias in General |Acute Promyelocytic Leukaemia |Acute Myeloblastic Leukaemia (AML) |Acute Lymphoblastic Leukaemia (ALL) |Chronic Lymphocytic leukaemia (CLL) |Chronic Myeloid Leukaemia (CML) |Hairy Cell Leukaemia |Differentiation syndrome |Tretinoin (All-trans-retinoic acid (ATRA) ) |Haemolytic anaemia |Immune(Idiopathic) Thrombocytopenic Purpura (ITP)
Leukaemia is a type of cancer that affects the blood and bone marrow, which is responsible for producing blood cells. It is characterized by an abnormal proliferation of white blood cells (leukocytes). Leukaemia can disrupt normal blood cell production, leading to various symptoms and complications.
Type | Incidence | Notes |
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Acute Lymphoid Leukaemia | 9% | T and B lymphoblasts. most common in children, does affect adults. Develops and progresses rapidly unless treated |
Chronic Myeloid Leukaemia | 10% | mainly adults. Develops due to a mutation in the stem cell. Philadelphia chromosome, Abnormal stem cells multiply and the cells that are made develop into near normal WBCs granulocytes; including neutrophils, basophils and eosinophils. Develops and progresses slowly over months and years without treatment. Mainly occurs in adults and becomes more common with increasing age. Average age is 64 |
Chronic Lymphoid Leukaemia | 23% | older adults over 55. Abnormal B lymphocytes found in large numbers (build-up) because they live too long cells do not follow the usual life span of a lymphocyte. Develops and progresses slowly over months & years without treatment. Most common leukaemia in the elderly |
Acute Myeloid Leukaemia | 27% | seen in children and adults. Bone marrow makes large numbers of abnormal / immature WBCs - BLASTS derived from the myeloid stem cells. Develops and progresses rapidly unless treated. Most cases in people over 50 |
Myeloproliferative Diseases | 31% |
The prognosis of leukaemia varies greatly depending on the type, age of the patient, and response to treatment. With advancements in medical treatments, many patients achieve long-term remission or cure, particularly for childhood leukaemias.