Lymphoid Leukemia

**Semantic type:** Neoplastic Process

**Definition:** A malignant lymphocytic neoplasm of B-cell or T-cell lineage involving primarily the bone marrow and the peripheral blood. This category includes precursor or acute lymphoblastic leukemias and chronic leukemias.

**Synonyms:** - LEUKEMIA, LYMPHOCYTIC, MALIGNANT - Lymphocytic Leukemia - Lymphocytic Leukemia - Lymphogenous Leukemia - Lymphoid leukemia, NOS - lymphocytic leukemia