Notable PAX5 fusion partners identified in pediatric B-cell precursor ALL (BCP-ALL) include: PAX5::PML (t(9;15)(p13;q24)), PAX5::KIAA1549L (t(9;11)(p13.2;p12)), PAX5::ELN (t(7;9)(q11;p13)), PAX5::AUTS2 (t(7;9)(q11.2;p13.2)), PAX5::FOXP1 (t(3;9)(p13;p13)), and PAX5::ETV6 (t(9;12)(p13;p13)) rearrangements. Here, PAX5 is linked to acute lymphoblastic leukemia.