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lymphoma |
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lymphoma, a cancer of the tissue of the lymphatic system lymphatic system , network of vessels carrying lymph, or tissue-cleansing fluid, from the tissues into the veins of the circulatory system. The lymphatic system functions along with the circulatory system in absorbing nutrients from the small intestines.
..... Click the link for more information. . There are two categories of lymphomas. One type is termed Hodgkin's disease Hodgkin's disease, a type of cancer of the lymphatic system. First identified in 1832 in England by Thomas Hodgkin, it is a type of malignant lymphoma. Incidence peaks in young adults and the elderly. ..... Click the link for more information. , the other, non-Hodgkin's lymphoma (see lymphoma, non-Hodgkin's lymphoma, non-Hodgkin's, any cancer of the lymphoid tissue (see lymphatic system) in which the Reed-Sternberg cells characteristic of Hodgkin's disease (the other category of lymphoma) are not present. ..... Click the link for more information. ). See also neoplasm neoplasm or tumor, tissue composed of cells that grow in an abnormal way. Normal tissue is growth-limited, i.e., cell reproduction is equal to cell death. ..... Click the link for more information. . lymphomaAny of a group of malignant diseases (see cancer) that usually start in the lymph nodes or lymphoid tissues. The two major types, Hodgkin disease and non-Hodgkin lymphoma, each have several subtypes. Diagnosis of either type requires biopsy, usually from the lymph nodes. Non-Hodgkin lymphomas may be diffuse (widespread) or nodular (concentrated in nodules); nodular lymphomas generally develop more slowly. lymphoma [lim′fō·mə] (medicine) Any neoplasm, usually malignant, of the lymphoid tissues. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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