T-Cell Large Granular Lymphocyte Leukemia

**Semantic type:** Neoplastic Process

**Definition:** A T-cell peripheral neoplasm characterized by a persistent (>6 months) increase in the number of peripheral blood large granular lymphocytes, without a clearly identified cause. (WHO, 2001)

**Synonyms:** - LEUKEMIA, LARGE GRANULAR LYMPHOCYTIC, MALIGNANT - LGLL - LGLL - Large Cell Granular Lymphogenous Leukemia - Large Cell Granular Lymphoid Leukemia - Large Cell Granular Lymphoid Leukemia - Large Granular Lymphocytic Leukemia - Large Granular Lymphocytic Leukemia - Large Granular Lymphocytosis - Large Granular Lymphocytosis - T Gamma Lymphoproliferative Disorder - T Gamma Lymphoproliferative Disorder - T Large Granular Lymphocyte Leukemia - T-Cell Large Granular Lymphocytic Leukemia - T-Cell Large Granular Lymphocytic Leukemia - T-Gamma Lymphoproliferative Disorder - T-Gamma Lymphoproliferative Disorder - T-LGL leukemia - T-Large Granular Lymphocyte Leukemia - T-cell large gran. lymph. leuk. - T-cell large granular lymphocyte leukemia - T-cell large granular lymphocytic leukemia - T-cell large granular lymphocytic leukemia - T-cell large granular lymphocytosis - T-gamma lymphoproliferative disease - Tgamma Large Granular Lymphocyte Leukemia