T-cell leukemia
Encyclopedia
T-cell leukemia describes several different types of lymphoid leukemia which affect T cell
T cell
T cells or T lymphocytes belong to a group of white blood cells known as lymphocytes, and play a central role in cell-mediated immunity. They can be distinguished from other lymphocytes, such as B cells and natural killer cells , by the presence of a T cell receptor on the cell surface. They are...

s.

Types include:
  • Large granular lymphocytic leukemia
  • Adult T-cell leukemia/lymphoma
  • T-cell prolymphocytic leukemia
    T-cell prolymphocytic leukemia
    T-cell-prolymphocytic leukemia is a mature T-cell leukemia with aggressive behavior and predilection for blood, bone marrow, lymph nodes, liver, spleen, and skin involvement. T-PLL is a very rare leukemia, primarily affecting adults over the age of 30. It represents 2% of all small lymphocytic...



In practice, it can be hard to distinguish T-cell leukemia from T-cell lymphoma
T-cell lymphoma
The T-cell lymphomas are the four types of lymphoma that affect T cells. These account for perhaps one in ten cases of non-Hodgkin lymphoma.They can be associated with Epstein Barr virus and Human T-cell leukemia virus-1.-Types:The four classes are:...

, and they are often grouped together.
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