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The B-cell lymphomas are types of lymphoma affecting B cells. Lymphomas are "blood cancers" in the lymph nodes. They develop more frequently in older adults and in immunocompromised individuals. B-cell lymphomas include both Hodgkin's lymphomas and most non-Hodgkin lymphomas. They are typically divided into low and high grade, typically ...
Diffuse large B-cell lymphoma (DLBCL) is a cancer of B cells, a type of lymphocyte that is responsible for producing antibodies. It is the most common form of non-Hodgkin lymphoma among adults, [1] with an annual incidence of 7–8 cases per 100,000 people per year in the US and UK. [2][3] This cancer occurs primarily in older individuals, with ...
231,400 (2015) [5] Non-Hodgkin lymphoma (NHL), also known as non-Hodgkin's lymphoma, is a group of blood cancers that includes all types of lymphomas except Hodgkin lymphomas. [1] Symptoms include enlarged lymph nodes, fever, night sweats, weight loss, and tiredness. [1] Other symptoms may include bone pain, chest pain, or itchiness. [1]
CD20. Approximately 95% of B-cell lymphomas express CD20, but CD20 is not critical for B-cell survival. Clonal B-cells spontaneously mutate the idiotypic region of their immunoglobulin. This high mutation rate makes them prone to the selection of B-cells lacking the CD20 antigen following treatment with CD20-targeting monoclonal antibodies.
122–184. Lymphoma is the most common form of hematological malignancy, or "blood cancer", in the developed world. Taken together, lymphomas represent 5.3% of all cancers (excluding simple basal cell and squamous cell skin cancers) in the United States and 55.6% of all blood cancers.
Given the success of the IPI for intermediate grade lymphomas, an effort was undertaken to develop a similar prognostic index for the most common low-grade lymphoma, follicular lymphoma. The prognostic factors that emerged from this were: age, stage, number of lymph node areas involved, serum hemoglobin level, and serum LDH. [3]
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