B Lymphoblastic Leukemia/Lymphoma with t(1;19)(q23;p13.3); TCF3-PBX1

**Semantic type:** Neoplastic Process

**Definition:** A precursor lymphoid neoplasm which is composed of B lymphoblasts and carries a translocation between the E2A gene on chromosome 19 and the PBX1 gene on chromosome 1.

**Synonyms:** - B Lymphoblastic Leukemia/Lymphoma with TCF3-PBX1 Fusion - B Lymphoblastic Leukemia/Lymphoma with TCF3::PBX1 Fusion - B Lymphoblastic Leukemia/Lymphoma with t(1;19)(q23;p13.3); E2A-PBX1 (TCF3-PBX1) - B Lymphoblastic Leukemia/Lymphoma with t(1;19)(q23;p13.3); TCF3::PBX1 - B lymphoblastic leukemia/lymphoma with t(1;19)(q23;p13.3); E2A-PBX1 (TCF3-PBX1) - B-Lymphoblastic Leukemia/Lymphoma with TCF3-PBX1 Fusion - B-Lymphoblastic Leukemia/Lymphoma with TCF3::PBX1 Fusion - B-Lymphoblastic Leukemia/Lymphoma with t(1;19)(q23;p13.3); E2A-PBX1 (TCF3-PBX1)