MNX1 and acute myeloid leukemia: In young children under two years of age, it is important to search for specific pediatric AML translocations that are not yet acknowledged in the WHO classification as separate entities, such as t(7;12)(q36;p13), also known as HLXB9-MNX1, t(11;12)(p15;p13)/NUP98-KDM5A and t(1;22)(p13;q13)/RBM15-MKL1 [12,17,18,19].