Four Types Of Leukemia And Causes

Leukemia is known to affect the human body in four forms. This disease can be broadly ambivalent to acute and chronic variants. Acute leukemia includes two different forms of this disease that is; leukemia and acute lymphocytic leukemia acute myelogenous leukemia. While the former form of acute leukemia more common in children, the last known generally prevalent in adults.

During the occurrence of acute leukemia, bone marrow starts producing abnormal blood cells that interfere with the normal performance of the blood cells. Malignant cells on this type of leukemia grow fast and need immediate treatment to survive. Chronic leukemia can also be divided into two forms, known as chronic lymphocytic leukemia and myelogenous leukemia. Compared with acute leukemia, chronic form of disease progression is very gradual. This type of leukemia usually takes many years to grow, making a much better life expectancy.

Extensive research has been conducted for many years to analyze the real cause of cancer. Even today, the exact cause remains hidden. However, in general, the occurrence of this disease has been associated with somatic mutations in the DNA which in turn escape tumor suppression genes and disrupt the normal execution of cell death and differentiation. These mutations could be genetic in origin or may be a consequence of the exposure to radiation or cancer-causing elements. Mutations in the case of leukemia have been assigned to a particular virus, natural or artificial ionizing radiation, various kinds of chemicals and a genetic predisposition. Since exposed to chemicals has also been emphasized as a cause of leukemia contractor, the person has undergone chemotherapy for cancer treatment each variant are the susceptibility to this disease. Also, people with medical conditions such as Down syndrome and myelodysplastic syndromes showing a high probability of developing leukemia.

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