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 ?
Peripheral T-cell lymphomas unspecified presenting in the skin: analysis of prognostic factors in a group of 82 patients.
The report provides a snapshot of the global therapeutic landscape of Peripheral T-Cell Lymphomas (PTCL)
The report reviews key players involved in the therapeutics development for Peripheral T-Cell Lymphomas (PTCL) and enlists all their major and minor projects
Lessin, "Cutaneous T-cell lymphoma epidemiology: patients providing the power," Archives of Dermatology, vol.
Expression of cytotoxic molecules in intestinal T-cell lymphomas.
Compared with a reference group of 45 cases with T-cell lymphoma and 228 controls not exposed to any of the medications (OR, 1.
Hence, although T-cell clonality analysis by PCR and capillary electrophoresis (CE) has been used extensively in lymphoproliferative disorders in general, there are very few reports describing their application to the differential diagnosis of cutaneous T-cell lymphoma (1, 2) or to cases of cutaneous lymphoproliferative disorders with less conclusive histology, where their superior resolution properties have provided strong confirmatory evidence of evolving lymphoma development (3).
Other mature T-cell lymphomas include PTCL, angioimmunoblastic T-cell lymphoma and adult T-cell lymphoma.
17-23) More recently, the existence of RS-like cells of T-cell lineage in the context of T-cell lymphomas has also been reported.
1] Evidence of Epstein-Barr virus has been found in all nasal T-cell lymphomas to date, suggesting that the virus plays a causative role in the pathogenesis of these lesions.
Millennium: The Takeda Oncology Company with its parent company Takeda Pharmaceutical Company Limited (TSE:4502) today announced the initiation of an international phase 3 clinical trial evaluating MLN8237 in patients with relapsed or refractory peripheral T-cell lymphoma (PTCL), an aggressive form of lymphoma.
A few hepatosplenic T-cell lymphomas are positive for Epstein-Barr virus (EBV), and a few cases have been reported in association with hepatitis B virus infection.