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Leukemia

            
            
             Leukemia is the cancer of blood-forming tissue. This includes bone marrow, white blood cells, red blood cells, etc. Types of leukemia are grouped by the types of cells that are affected and by the rate that the cell growth. Leukemia is either acute or chronic. Acute leukemia involves an overgrowth of immature blood cells. This condition is life threatening, because there are not enough mature blood cells to prevent anemia, infection, and bleeding. A diagnosis of acute leukemia is made when there are 20 % or more immature cells in the bone marrow. Myelodysplastic Syndrome is a condition where the bone marrow does not function normally. This causes the body to not produce enough normal blood cells. The most common blood cells affected are white blood cells, red blood cells and platelets. Some cases of MDS over time, progress to acute leukemia. Chronic leukemia involves an overgrowth of mature blood cells. People with chronic leukemia usually have enough mature blood cells to prevent serious bleeding and infection. .
             Causes:.
             The specific cause of leukemia is still not known. Most people suspect that viral, genetic, environmental, or immunologic factors are to blame. Some viruses cause leukemia in animals, but in humans, viruses only cause one rare type of leukemia. Even if a virus is involved, leukemia is not contagious. It cannot spread from one person to another. There may be a genetic links to leukemia. There are rare families where people born with chromosome damage may have genes that increase their chances of developing leukemia. Environmental factors, such as high-dose radiation and exposure to certain toxic chemicals, have been linked to leukemia. This has been true only in extreme cases. Some cases are atomic bomb survivors in Nagasaki and Hiroshima. People with immune-system deficiencies are at a greater risk to cancer because of the body's decreased ability to resist foreign cells. There is evidence that patients treated for other types of cancer with chemotherapy may also later develop leukemia.


Essays Related to Leukemia

1. Leukemia - A Deadly Disease

... take blood samples of blood, and then look at the blood cells under a microscope" (Medline Plus). Another way to figure out if someone has leukemia is by running a bone marrow test. The inside of the bone marrow is looked at underneath a microscope. "Doctors are able to collect bone marrow ... by performing an aspiration. A bone marrow aspiration is where a needle is injected into the bone and liquid from the marrow is received" (Leukemia, Medline Plus). Another way to get a bone marrow sample is by performing a bone marrow biopsy. "A biopsy is when a large needle is ... likely. Side ...

  • Word Count: 1603
  • Approx Pages: 6
  • Has Bibliography
  • Grade Level: High School

2. Leukemia

... Hiroshima and Nagasaki bombings showed an increased mortality rate. Nuclear disaster survivors, such as those in Chernobyl, also showed higher incidences of leukemia. There is also evidence that some patients treated for other forms of cancer with certain chemotherapy drugs. There are factors that commonly concern ... people as risk factors. The American Cancer Society has listed some factors that have been unproven as a cause of leukemia. Some of these include Pesticides and non-ionizing radiation, such as that given of by radio waves, microwaves, and radar. Other unproven ... this di...

  • Word Count: 1158
  • Approx Pages: 5
  • Has Bibliography
  • Grade Level: High School

3. Leukemia

... types of cancers, diagnosis at the earliest possible stage makes treatment is possible. But at the present time, there are no special tests recommended to detect acute leukemia early. The best way to find leukemia early is to report any signs or symptoms to the doctor right away. Duke: Well, I was just reading this topic in a magazine, as other cancers that Adult ... Acute Leukemia is also because of genetic. But the doctor asked whether my friend smokes too much. Jeff: You know, the risk factors are lifestyle-related, environmental, or genetic. Especially, the only ... proven lifestyl...

  • Word Count: 851
  • Approx Pages: 3
  • Grade Level: High School

4. Leukemia

... more than 200 kinds of cells in your body therefore there are more than 200 kind of cancers. Too many huh? Right, so again, what is leukemia? It is cancer of the blood cells or we may call blood cancer. It first starts in bone marrow and develops when white blood cells turn into malignant ... The red blood cells are usually more than white blood cells. So if your white blood cells are more than red blood cells, you may have leukemia. It is not very sure. Humm, I think it just about 40-60%. That why you have to do the bone marrow test to make sure whether ... hand, anti-leukemic chemical ...

  • Word Count: 968
  • Approx Pages: 4
  • Grade Level: High School

5. Discovery of and facts about Leukemia

... such as the spleen, liver, and lymph nodes. ALL is usual found in children and teenagers and is one of the best forms of Leukemia to be diagnosed with because it has the highest rate of survival. The survival of patients infected with ALL is eighty percent for a full ... six years to live. Some cases have been known to survive only a few months when others have survived for ten years (Chronic Mylengenous Leukemia). The third form of Leukemia, Erythroleukemia (EL), is different than the other two that were previously mentioned because it is the red blood cells that are abnormal instead ....

  • Word Count: 1780
  • Approx Pages: 7
  • Has Bibliography

6. Leukemia

... term because there is more than one known type of Leukemia, there are four known types of Leukemia, they are: *Acute Lymphocytic Leukemia or ALL is often called Childhood Leukemia and usually strikes children. This type of Leukemia often appears very suddenly. About eighty-five percent of children with Leukemia have this kind of Leukemia. * Chronic Lymphocytic Leukemia or CLL which most often affects people over the age ... of forty. Men are twice as likely as women to get this type of Leukemia. * Acute Non-Lymphocytic Leukemia or ANLL is the most common form of Leukemia in adults. It v...

  • Word Count: 380
  • Approx Pages: 2
  • Grade Level: High School

7. Leukemia

... term because there is more than one known type of Leukemia, there are four known types of Leukemia, they are: *Acute Lymphocytic Leukemia or ALL is often called Childhood Leukemia and usually strikes children. This type of Leukemia often appears very suddenly. About eighty-five percent of children with Leukemia have this kind of Leukemia. * Chronic Lymphocytic Leukemia or CLL which most often affects people over the age ... of forty. Men are twice as likely as women to get this type of Leukemia. * Acute Non-Lymphocytic Leukemia or ANLL is the most common form of Leukemia in adults. It v...

  • Word Count: 366
  • Approx Pages: 1
  • Grade Level: High School

8. Leukemia

... of lymph nodes, speen, liver, and kidneys, anemic, and blood not clotting easily. The types of Leukemia are chronic lymphocytic, acute, lymphocytic, acute myelogenous, and chronic myelogenous. When you have chronic lymphocytic leukemia if develops slowly and worsens gradually. Acute lymphocytic is common in children ages two through six and people ... over 65. Acute myelogenous is most common in adults. The symptoms of leukemia are weakness, fatigue, loss of appetite and weight, easy bruising, no blood clotting, many infections, pale skin, fever, chills, tiny red spots under ... joints a...

  • Word Count: 329
  • Approx Pages: 1
  • Grade Level: High School

9. Acute Lymphoblastic Leukemia

... , and other blood-forming organs. They produce an increased number of blood cells; usually Leukocytes (white blood cells) which is seemed to be abnormal in count. Acute Lymphoblastic Leukemia (ALL) is a type of Leukemia, which affects the blood. It occurs suddenly, and since it is 'acute' it occurs quickly and worsens throughout a short period of time. It is a hereditary disorder, which ... a result of the immaturity of stem cells located in the bone marrow; which is why they are nowadays referred to as 'Leukemia Cells'. The two types of lymphocytes are T-lymphocytes and B-lymp...

  • Word Count: 821
  • Approx Pages: 3
  • Has Bibliography
  • Grade Level: High School

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