TCF3::PBX1 (E2A::PBX1) t(1;19) Quantitative RQ-PCR detection of TCF3::PBX1 (E2A::PBX1) fusion from t(1;19) for ALL diagnosis and minimal residual disease monitoring. TCF3::PBX1 (E2A::PBX1) t(1;19)Eric Johnson2026-05-03T16:04:05-07:00