lymphoma

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lymphoma,

a cancer of the tissue of the lymphatic systemlymphatic 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.
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. There are two categories of lymphomas. One type is termed Hodgkin's diseaseHodgkin'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.
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, the other, non-Hodgkin's lymphoma (see lymphoma, non-Hodgkin'slymphoma, 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.
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). See also neoplasmneoplasm
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. Feedback controls limit cell division after a certain number of cells have developed, allowing for tissue repair
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.

lymphoma

[lim′fō·mə]
(medicine)
Any neoplasm, usually malignant, of the lymphoid tissues.
References in periodicals archive ?
Central nervous system involvement in patients with mantle cell lymphoma.
Common malignancies with uncommon sites of presentation case 2: mantle cell lymphoma of the prostate gland.
Pathologic splenic rupture as the presentation of mantle cell lymphoma.
Determination of cyclin D1 and CD20 mRNA levels by real-time quantitative RT-PCR from archival tissue sections of mantle cell lymphoma and other non-Hodgkin's lymphomas.
About Mantle Cell Lymphoma Mantle cell lymphoma is an aggressive form of blood cancer which arises from B cells, a type of white blood cell (lymphocyte) that originates in the bone marrow.
About VELCADE (bortezomib) The European Commission approval of the variation to the terms of the marketing authorisation means that VELCADE is now licensed in the EU to treat mantle cell lymphoma (MCL), a blood-based cancer, in untreated adults who are unsuitable for blood stem-cell transplantation.
Based on the morphologic features alone, differential diagnostic considerations in this case includes small B-cell non-Hodgkin lymphomas including chronic lymphocytic leukemia/small lymphocytic lymphoma, marginal zone lymphoma, and mantle cell lymphoma.
Additional data on the individual mantle cell lymphoma cases, including fixation and cyclin D1 expression as determined by immunochemical stain or Northern blot are available as a supplemental table in the online version of this journal (http://www.
Gastrointestinal involvement by mantle cell lymphoma is often characterized by lymphomatous polyposis," which can present with multiple polypoid or nodular mucosal projections, sometimes mimicking an inherited polyposis syndrome; however, other less-common entities should also be considered.
Two examples of protooncogenes known to be involved in lymphomagenesis will be discussed further: bcl-2, which is involved in the pathogenesis of follicular lymphoma [24-26], and bcl-1, which is involved in the pathogenesis of mantle cell lymphoma [24,27].
Cohort 2 was started at the next higher dose level and was expanded to include patients with diffuse large B-cell lymphoma (DLBCL) and mantle cell lymphoma (MCL).
Ibrutinib inhibits an enzyme, Bruton's tyrosine kinase (BTK), which promotes growth of a variety of B-cell cancers, including chronic lymphocytic leukemia (CLL), mantle cell lymphoma (MCL), and WM.