Preferred Label : B Lymphoblastic Leukemia/Lymphoma;
NCIt synonyms : Precursor B-Lymphoblastic Lymphoma/Leukemia; Precursor B Lymphoblastic Leukemia/Lymphoma; Precursor B Lymphoblastic Leukemia Lymphoma; B-Lymphoblastic Leukemia/Lymphoma; B-Cell Lymphoblastic Leukemia/Lymphoma;
NCIt definition : A neoplasm of lymphoblasts committed to the B-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 B acute lymphoblastic leukemia. When
it involves nodal or extranodal sites, it is called B lymphoblastic lymphoma. (WHO,
2001);