Prolymphocytic leukemia
Encyclopedia
Prolymphocytic leukemia is divided into two types according the kind of cell involved: B-cell prolymphocytic leukemia
B-cell prolymphocytic leukemia
B-cell prolymphocytic leukemia is a more aggressive, but still treatable, form of leukemia. The malignant B cells are larger than average. The name is commonly abbreviated B-PLL.It can involve deletions from chromosome 11 and chromosome 13....

 and 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...

. It is usually classified as a kind of chronic lymphocytic leukemia
Chronic lymphocytic leukemia
B-cell chronic lymphocytic leukemia , also known as chronic lymphoid leukemia , is the most common type of leukemia. Leukemias are cancers of the white blood cells . CLL affects B cell lymphocytes. B cells originate in the bone marrow, develop in the lymph nodes, and normally fight infection by...

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