For acute lymphoblastic leukemia profile test, FISH probes for BCR/ABL, TEL/AML1, MLL gene rearrangement and CDKN2A deletion were used.     ///    "Among these 51 cases, TEL/AML1 abnormalities were detected in 44.3%, followed by the abnormal CDKN2A signal (24.6%) and hyperdiploidy (18.0%). "