NHL - What: Non-Hodgkins lymphomas (NHL are a heterogeneous...

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What: Non-Hodgkin’s lymphomas (NHL are a heterogeneous group of malignant lymphomas. Epi: 60% of lymphomas are non-Hodgkin's lymphomas. 3 rd most common childhood cancer occuring most often in children ages of 7 -111, but can occur at any age from infancy to adulthood. Males > females and Caucasian > other races. Et: Currently unknown, but possible that genetics and exposure to viral infections may increase risk. Epstein-Barr virus (EBV) that causes the mononucleosis infection and (HIV) which have been linked to the development of Burkitt's lymphoma. The classification is really unclear and keeps changing (so far , seen 4 different classifications) Lymphoblastic non-Hodgkin's lymphoma - Lymphoblastic non-Hodgkin's lymphoma accounts for about 35 percent of the cases, involves the T-cells, and usually presents with a mass in the chest, swollen lymph node(s), with or without bone marrow and central nervous system involvement. Burkitt's or non-Burkitt's lymphoma
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