Leukemia, Prolymphocytic, T-Cell

**Definition:** A lymphoid leukemia characterized by a profound LYMPHOCYTOSIS with or without LYMPHADENOPATHY, hepatosplenomegaly, frequently rapid progression, and short survival. It was formerly called T-cell chronic lymphocytic leukemia.

**Tree numbers:** - C04.557.337.428.565.750 - C04.557.337.428.580.075 - C15.378.508.428.565.750 - C15.378.508.428.580.075 - C15.604.515.560.550.750 - C15.604.515.560.575.125 - C20.683.515.528.565.750 - C20.683.515.528.582.125

**Synonyms:** - T-Cell Prolymphocytic Leukemia