Diseases of the blood cancer leukemia

whether friends already know what it is leukemia? if you already know if this disease is among the most deadly disease?
many questions that arise such as how to cope with, prevent, even cure thisdreaded disease that one.
there is no harm if the friends took the time to read my article this time aboutchildhood leukemia.
The following further details …….

Leukemia (blood cancer) is a type of cancer that attacks white blood cells produced by bone marrow (bone marrow). Bone marrow or bone marrow in the human body produces three types of blood cells including white blood cell (functioning as an immune system against infection), red blood cell (function to bring oxygen into the body) and platelets (small pieces of blood cells that help blood clotting process ). Leukemia is generally appear in person since the days of childhood, the bone marrow without obvious cause has been known to produce white blood cells do not develop normal or abnormal. Normally, white blood cells to reproduce again when the body needs or there is a place for the blood cell itself. The human body will give signs / signals on a regular basis when will the blood cell-reproduction is expected to be back.

In cases of leukemia (blood cancer), white blood cells do not respond to the sign / signal is given. Finally, the production of excessive uncontrolled (abnormal) will be out of the bone marrow and can be found in the peripheral blood or peripheral blood. The number of abnormal white blood cells is in excess can disrupt the normal function of other cells, A person with this condition (leukemia) will show some symptoms like; susceptible to infectious diseases, anemia and bleeding.

Acute Leukemia and Chronic Disease 

Acute leukemia is characterized by a very rapid course of the disease, lethal, and worse. If this is not immediately treated, it can cause death within weeks to the day. While chronic leukemia have a disease course that is not so fast that it has a longer life expectancy, up to more than 1 year.

Leukemias are classified based on the type of cells 

When the examination is known that leukemia affects the lymphocytes or lymphoid cells, it is called lymphocytic leukemia. While the leukemia that affects myeloid cells such as neutrophils, basophils, and eosinophils, is called myelogenous leukemia.

From this classification, the Leukemia is divided into four types of designation; 
1. Acute lymphocytic leukemia (ALL). Is the most common type of leukemia in children. The disease is also present in adults who primarily have 65 years of age or older.
2. Acute myelogenous leukemia (LMA). This is more common in adults than children. This type was formerly called nonlimfositik acute leukemia.
3. Chronic lymphocytic leukemia (LLK). It is often suffered by adults older than 55 years. Sometimes it also affects young adults, and almost none in children.
4. Chronic myelogenous leukemia (CML) often occurs in adults. May also occur in children, but very little.

Causes of Leukemia 

Until now the cause of leukemia is not known with certainty, but there are some factors suspected to affect the frequency of occurrence of leukemia.
1. Radiation. This is supported by several reports from several research dealing with cases of leukemia that the The radiology staff more often suffer from leukemia, Penerita with radiotherapy more often suffer from leukemia, leukemia incidence was found in atomic bomb survivors of Hiroshima and Nagasaki, Japan.

2. Leukemogenik. Several chemicals have been identified are reported to affect the frequency of leukemia, such as environmental toxins such as benzene, inustri chemicals such as insecticides, drugs used for chemotherapy.

3. Hereditary. People with Down Syndrome have acute leukemia incidence 20 times greater than normal people.

4. Virus. Some types of viruses can cause leukemia, such as retroviruses, feline leukemia virus, HTLV-1 in adults.

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