Leukemia

Leukemia is a disease of the bone marrow, the part of the body where blood is made. With leukemia, the body makes too many abnormal white blood cells which cause infections, anemia or excessive bleeding. There is no known way to prevent leukemia, but it can be treated effectively. New treatments mean improved chances of survival and offer hope to people with leukemia. There are two main types of leukemia: Lymphocytic and Myelogenous. Lymphocytic leukemia is marked by an increased number of lymphocytes, which are made in the lymph glands and bone marrow. In lymphocytic leukemia most lymphocytes are abnormal or immature. In Myelogenous leukemia there is an increase in granulocytes. These are usually made in bone marrow but may also arise from other tissue such as in the liver or spleen. Normal granulocytes play a crucial role in the body's defense against infection, but leukemic granulocytes lack this ability. Leukemia's may be of a fast-growing, aggressive type referred top as acute varieties; or slower growing, less aggressive types know as Chronic.
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Lymphoma

There are two main types of lymphoma: Hodgkin's and non-Hodgkin's. People with Hodgkin's lymphoma have certain cells, called Reed-Sternberg cells. These people are often adolescents or young adults and have a near 80% chance of recovery. Hodgkin's lymphoma generally spreads from one group of lymph nodes to the next in an orderly fashion. Non-Hodgkin's lymphoma includes all other lymphomas. Persons with non-Hodgkin's lymphoma are often older adults and can have good chances of recovery, depending on the staging of the disease. Non-Hodgkin's lymphoma generally spreads through the lymphatic system in a less orderly manner making it more difficult to treat.
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This information was provided to us by The Leukemia & Lymphoma Society. To visit there site and learn more please click here.