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Blood contains three types of cells

RBC - Red Blood Cells (Carry Oxygen)

WBC - White Blood Cells (Also called leukocytes, they are part of body's immune system. Platelets - Helps in blood clotting.

These cells are produced inside bone marrow that presents inside the bone cavities. Leukemia affected bone marrow produces large number of abnormal white blood cells making patient extremely fragile to infection. Leukemia can be acute or chronic. Acute Leukemia is most dangerous.

Examples of Acute Leukemia are.

o Acute myelocytic leukaemia (AML)

o Chronic lymphocytic leukaemia (CLL)

o Chronic myelogenous leukaemia (CML)

o Weight Loss.

What cause Leukaemia?

In bone marrow failure steroid treatment is given to recover the bone marrow. Milder cases can be cured by regular blood transfusion. Patient need a matching bone marrow donor as body easily rejects foreign bone marrow. Fifty to sixty percent patients live normal life after bone marrow transplant.

Examples of blood tests used to diagnose cancer include:

1. Complete blood count (CBC): This common test measures the amount of various types of blood cells in your blood sample. The abnormality is in terms of too many or too few cells of a particular type or abnormal cells.

2. Blood protein testing (electrophoresis): This test examines various proteins in blood and can aid in detecting certain abnormal immune system proteins (immunoglobulins) that are sometimes elevated in people with multiple myeloma (cancer of plasma cells). Other tests, such as a bone marrow biopsy, are used to confirm a suspected diagnosis (like the blood cancer).

3. Tumor marker tests: Tumor markers are chemicals made by tumor cells that can be detected in the blood. But tumor makers are also produced by some normal cells in your body and levels could also be significantly elevated in noncancerous conditions. This limits the potential for such kind of tests to help in diagnosing cancer.