Leukaemi1 - is the excessive uncontrolled production of...

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Leukaemia Leukaemia is a type of cancer of the blood or bone marrow characterized by an abnormal increase of white blood cells. Symptoms The symptoms of leukaemia are highly dependent on the form of leukaemia present. Common symptoms of leukaemia include:- Excessive tiredness Weight loss and loss of appetite Breathlessness and pallid skin Easy bruising and unusual bleeding Reccurent infections Muscle weakness Pain in the bones and joints Persistent fever and night sweats Petechial skin rash On examination enlarged lymph glands are often found in the neck, armpits and groin. Additionally the spleen may be enlarged and the abdomen distended. Causes Leukaemia is a form or bone marrow or blood borne malignancy which develops as a result of disrupted haematopoiesis. Leukaemia is a broad term covering a spectrum of diseases. In turn, it is part of the even broader group of diseases called haematological malignancies. The main abnormality found in leukaemia
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Unformatted text preview: is the excessive, uncontrolled production of white blood cells. Leukaemia is classified according to the speed at which it develops and the type of cells affected. There are four main types of leukaemia:-• Acute Myeloid Leukaemia (AML) • Acute Lymphoblastic Leukaemia (ALL) • Chronic Myeloid Leukaemia (CML) • Chronic Lymphocytic Leukaemia (CLL) The development of blood cells is genetically controlled and some genetic abnormalities are thought to contribute to leukaemia. The abnormal Philadelphia chromosome is associated with 95% of cases of CML. Usually there is no obvious cause, although certain risk factors have been indentified:-• Certain viral infections (Human T-lymphotropic virus) • Certain chemical and drugs • Radiation exposure...
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

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Leukaemi1 - is the excessive uncontrolled production of...

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