Preferred Label : T Lymphoblastic Leukemia/Lymphoma;
NCIt synonyms : Precursor T Lymphoblastic Leukemia/Lymphoma; Precursor T Lymphoblastic Lymphoma/Leukemia; Precursor T-Lymphoblastic Lymphoma/Leukemia; Precursor T Lymphoblastic Leukemia Lymphoma; T-Lymphoblastic Leukemia/Lymphoma; T-Cell Lymphoblastic Leukemia/Lymphoma;
NCIt definition : A neoplasm of lymphoblasts committed to the T-cell lineage, typically composed of
small to medium-sized blast cells. When the neoplasm involves predominantly the bone
marrow and the peripheral blood, it is called T acute lymphoblastic leukemia. When
it involves nodal or extranodal sites it is called T lymphoblastic lymphoma. (WHO,
2001);