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Blood Cancer

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Posted by on Tuesday, December 28, 2010, 6:37
This news item was posted in B, Blood, Cancer category and has 1 Comment so far.

Hematologic cancers, (cancers of the blood, bone marrow, and lymph nodes) include leukemia, lymphoma, and myeloma.

Blood Cancer
Blood Cancer

In 2006 (the most recent year for which statistics are available), more than 61,000 cases of blood, bone marrow, or lymph node cancers were diagnosed in the United States, and nearly 30,000 people died from these cancers.1 Among children and teens less than 20 years old, leukemia is the most common cancer and the leading cause of cancer death.1

Leukemia is a cancer of the bone marrow and blood. The two main types of leukemia are lymphocytic leukemia, which involves an increase of white blood cells called lymphocytes; and myelogenous leukemia (also known as myeloid or myelocytic leukemia), which involves an increase in white blood cells called granulocytes.

Leukemia can be acute or chronic. Acute forms of leukemia progress rapidly, while chronic forms of leukemia progress slowly.

Scientists do not fully understand all the causes of leukemia, but research has found many associations. For example, chronic exposure to benzene at work and exposure to large doses of radiation have been shown to cause leukemia in some cases. Benzene in cigarettes has been associated with an increased risk of leukemia of myeloid cells.
Lymphoma

Lymphoma is a general term for cancers that start in the lymph system; mainly the lymph nodes. The two main types of lymphoma are Hodgkin lymphoma and non-Hodgkin lymphoma. Hodgkin lymphoma spreads in an orderly manner from one group of lymph nodes to another. Non-Hodgkin lymphoma spreads through the lymphatic system in a non-orderly manner. The causes of lymphoma are unknown.

Myeloma is a cancer of the plasma cells. In myeloma, the cells overgrow, forming a mass or tumor that is located in the bone marrow. Bone marrow is the spongy tissue found in the center of the bone, where red cells, white blood cells, and platelets are made.

Age is the most significant risk factor for developing myeloma. People under age 45 rarely develop the disease. Those aged 67 years or older are at greatest risk of developing myeloma. Men are more likely than women to develop myeloma, and myeloma is about twice as common among African Americans as among Caucasians.
Blood Cancer Trends

Although the number of new cases of leukemia, lymphoma, and myeloma diagnosed each year has increased, deaths from these blood cancers have decreased in recent years.1 This decrease in deaths may be due to many factors, including earlier detection and better treatments.
CDC Activities

CDC funds efforts to improve the awareness, diagnosis, understanding, and treatment of hematologic cancers. Nine organizations received funding to increase awareness of and education about hematologic cancers in a variety of ways. For more information, visit What CDC Is Doing About Hematologic Cancers.

CDC funds 65 states, tribes, territories, and Pacific Island jurisdictions to implement comprehensive cancer control (CCC) programs in their region. CCC is a collaborative process through which a community pools resources to reduce the burden of cancer. Each program’s cancer control plan is tailored to meet the needs of its population. Many plans include goals and strategies covering hematologic cancers. For more information, visit CDC’s National Comprehensive Cancer Control Program and Cancer Control P.L.A.N.E.T.External Web Site Icon

These efforts connect the public, people living with hematologic cancers, their friends and families, and the health care community with resources for—

* Understanding the diseases better.
* Asking the right questions about diagnosis, treatment, and care plans.
* Identifying community support networks.
* Providing services for cancer survivors.

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