[Immunophenotypic characteristics of children with acute lymphoblastic leukemia carrying TEL-AML1 fusion gene]..     ///    " To investigate the immunological and other clinical characteristics in TEL/AML1+ childhood B-acute lymphoblastic leukemia (B-ALL), immunophenotyping was performed with three-color flow cytometry, and the expression of TEL-AML1 fusion gene was detected with nested RT-PCR. "    ///    It is concluded that TEL-AML1 rearrangement is a frequent molecular abnormality in childhood ALL.     ///    "The results showed that (1) among 119 children with B-ALL, 22 (18.5%) were TEL-AML1 positive and classified as L2 morphological subtype. "