T-Cell Prolymphocytic Leukemia

**Semantic type:** Neoplastic Process

**Definition:** An aggressive T-cell leukemia, characterized by the proliferation of small to medium sized prolymphocytes with a mature T-cell phenotype, involving the blood, bone marrow, lymph nodes, liver, spleen, and skin. (WHO, 2001)

**Synonyms:** - Prolymphocytic leukemia, T-cell type - T Cell Prolymphocytic Leukemia - T Prolymphocytic Leukemia - T-Prolymphocytic Leukemia