label: B Acute Lymphoblastic Leukemia with t(1;19)(q23;p13.3); TCF3-PBX1
label_lc: b acute lymphoblastic leukemia with t(1;19)(q23;p13.3); tcf3-pbx1
description: A B-cell acute leukemia characterized by the presence of lymphoblasts that carry a translocation between the E2A gene on chromosome 19 and the PBX1 gene on chromosome 1. It occurs in children and less often in adults.