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T-cell lymphoma is a rare form of cancerous lymphoma affecting T-cells. [1] Lymphoma arises mainly from the uncontrolled proliferation of lymphocytes, such as T-cells, and can become cancerous. [2] T-cell lymphoma is categorized under Non-Hodgkin lymphoma (NHL) and represents less than 15% of all Non-Hodgkin's diseases in the category. [3]
Adult T-cell leukemia/lymphoma (ATL or ATLL) is a rare cancer of the immune system's T-cells [1] [2] [3] caused by human T cell leukemia/lymphotropic virus type 1 . [4] All ATL cells contain integrated HTLV-1 provirus further supporting that causal role of the virus in the cause of the neoplasm. [ 4 ]
Neither DGAT1 nor DGAT2 is singularly essential for TAG synthesis or droplet formation, though mammalian cells lacking both cannot form lipid droplets and have severely stunted TAG synthesis. DGAT1, which seems to prefer exogenous fatty acid substrates, is not essential for life; DGAT2, which seems to prefer endogenously synthesized fatty acids ...
The neoplastic cells of this disease display a mature T-cell immunophenotype, with the majority of cases showing a CD4-/CD8+ T-cell subset immunophenotype versus other permutations of those markers. [8] [9] Variable expression of CD11b, CD56, and CD57 [10] are observed. Immunohistochemistry for perforin, TIA-1, and granzyme B are usually ...
In childhood, T-cell acute lymphoblastic leukemia (T-ALL) patients can expect a 5-year event-free survival (EFS) rate of 70% and an overall survival (OS) rate of 80%. [1] Among the approximately 25% of children who relapse, survival rates drop to 30-50%, with patients generally showing a much poorer prognosis. [ 1 ]
T-lymphoblastic leukemia/lymphoma (WHO 2008), [1]: 219 previously labeled precursor T-lymphoblastic leukemia/lymphoma (WHO 2001) [1]: 219 is a form of lymphoid leukemia [2] [3] and lymphoma [4] in which too many T-cell lymphoblasts (immature white blood cells) are found in the blood, bone marrow, and tissues, particularly mediastinal lymph nodes.
T-cell-prolymphocytic leukemia (T-PLL) is a mature T-cell leukemia with aggressive behavior and predilection for blood, bone marrow, lymph nodes, liver, spleen, and skin involvement. [1] T-PLL is a very rare leukemia, primarily affecting adults over the age of 30. It represents 2% of all small lymphocytic leukemias in adults. [2]
Angioimmunoblastic T-cell lymphoma (AITL, sometimes misspelled AILT, formerly known as "angioimmunoblastic lymphadenopathy with dysproteinemia" [2]: 747 ) is a mature T-cell lymphoma of blood or lymph vessel immunoblasts characterized by a polymorphous lymph node infiltrate showing a marked increase in follicular dendritic cells (FDCs) and high endothelial venules (HEVs) and systemic involvement.