Seven (6.31%) cases of ALL presented with the BCR-ABL rearrangement; 1 case (0.90%) the ETV6-RUNX1 rearrangement; while, 64 (57.66%) showed none of the genetic rearrangements under study (BCR-ABL or ETV6-RUNX1 rearrangements). The gene discussed is BCR; the disease is acute lymphoblastic leukemia.