Non-Hodgkin's Lymphomas (NHLs) are a diverse group of cancers caused by tumors in the body's lymphocytes, or immune system cells. There are many types of NHLs, each of which is classified according to its rate of growth (slow-growing, intermediate...
A blood transfusion replaces loss of blood due to injury and surgery, and replenishes supplies when disease affects the body's ability to produce blood. They are performed on 5 million Americans each year, according to the National Heart Lung and...
Leukemia refers to a group of cancers that arise from the white blood cell-forming tissues of bone marrow. Leukemia develops when the genetic material of this tissue undergoes changes that lead to uncontrolled replication of the cell type...
According to the National Cancer Institute (NCI), there are more than 100 different types of cancer. Cancers are categorized by the organ involved and the type of cell that gave rise to the cancer. The four overarching groups of cancerous tumors...
Lymphoma is a type of cancer that affects the lymphatic system. According to the Lymphoma Research Foundation, around 70 percent of people diagnosed with lymphoma are 50 years old or older. Men are more likely than women to develop the condition...
HTLV-I, HTLV-II, HIV-1 and HIV-2 are all retroviruses. All of them keep their genetic information in their RNA, instead of in DNA. After a retrovirus infects a cell, it makes a DNA copy of its genetic information from its RNA, then goes into the...
Selenium is an essential trace mineral. It primarily functions in the body as a component of antioxidant enzymes. The American Cancer Society says that large observational studies demonstrate that in areas in which soil selenium content is high,...
Antioxidants protect the immune system by fighting free radical cell damage that leads to chronic diseases and cancers. Antioxidants may benefit patients with various lymphomas, cancers of the white blood cells in the immune system, by slowing...
The liver is the body's largest solid organ. An average healthy liver measures approximately 8 inches across and 6.5 inches down, and is 4.5 inches thick. It weighs about 3.5 lb. An enlarged liver is called hepatomegaly. It is a symptom of liver...
The term lymphoma describes several similar types of cancers that result from malignant growth of lymphocytes, which are specialized cells of the immune system. Cancer results when the lymphocytes either multiply too fast or fail to die when they...