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Splenic marginal zone lymphoma (SMZL) is a type of marginal zone lymphoma, a cancer made up of B-cells that replace the normal architecture of the white pulp of the spleen. The neoplastic cells are both small lymphocytes and larger, transformed lymphoblasts , and they invade the mantle zone of splenic follicles and erode the marginal zone ...
Splenic marginal zone lymphoma (SMZL) is a low grade lymphoma in which malignant B-cells accumulate in the spleen, bone marrow, and, less commonly, the circulation. While generally an indolent disease, about 5-10% of cases transform into a far more aggressive malignancy, diffuse large B-cell lymphoma . [ 64 ]
Marginal zone lymphoma (MZL) is a heterogeneous group of indolent B cell lymphomas that arise from the marginal zone of lymphoid tissues. [17] It accounts for 5–10% of all NHL cases, with an annual incidence of 0.4 to 1.0 per 100,000 in Western countries. [ 18 ]
These malignancies appear to have been primarily marginal zone B-cell lymphomas of the splenic marginal zone B-cell, splenic lymphoma/leukemia unclassifiable, hairy cell leukemia, and possibly Waldenström's macroglobulinemia. MBL-MZ requires further studies to evaluate its frequencies, rate of progression to malignancy, and treatment. [6]
B-cell prolymphocytic leukemia, referred to as B-PLL, is a rare blood cancer.It is a more aggressive, but still treatable, form of leukemia.. Specifically, B-PLL is a prolymphocytic leukemia (PLL) that affects prolymphocytes – immature forms of B-lymphocytes and T-lymphocytes – in the peripheral blood, bone marrow, and spleen.
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Primary cutaneous diffuse large B-cell lymphoma, leg type is an aggressive B-cell lymphoma that is often resistant to therapy and carries a poor prognosis, [5] i.e., they have a 5-year disease-specific survival rate of 43% or 70% depending on whether their cancer cells have or do not have, respectively, inactivating mutations in both of their ...
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