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Burkitt lymphoma
Pronunciation
Definition 1
An aggressive (fast-growing) type of B-cell non-Hodgkin lymphoma that occurs most often in children and young adults. The disease may affect the jaw, central nervous system, bowel, kidneys, ovaries, or other organs. There are three main types of Burkitt lymphoma (sporadic, endemic, and immunodeficiency related). Sporadic Burkitt lymphoma occurs throughout the world, and endemic Burkitt lymphoma occurs in Africa. Immunodeficiency-related Burkitt lymphoma is most often seen in AIDS patients. (NCI Dictionary)
Definition 2
A highly aggressive lymphoma composed of monomorphic medium-sized B-cells with basophilic cytoplasm and numerous mitotic figures. It is often associated with the presence of Epstein-Barr virus (EBV) and is commonly seen in AIDS patients. Three morphologic variants are recognized: classical Burkitt lymphoma, Burkitt lymphoma with plasmacytoid differentiation, and atypical Burkitt/Burkitt-like lymphoma. All cases express the MYC translocation [t(8;14)]. (NCI Thesaurus/WHO)