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. T-PLL is a very rare leukemia, primarily affecting adults over the age of 30.
T-cell-histiocytic leukemia (T-PLL) is a mature T-cell leukemia characterized by its aggressive nature and tendency to affect various organs, including blood, bone marrow, lymph nodes, liver, spleen, and skin. This rare form of leukemia predominantly affects adults over the age of 30.