 We report on a case of pediatric acute myelocytic leukemia showing 47,XX,+10,t(16;21)(p11;q22) that resulted in an unusual TLS/FUS-ERG chimeric transcript.     ///    "Unusual type of TLS/FUS-ERG chimeric transcript in a pediatric acute myelocytic leukemia with 47,XX,+10,t(16;21)(p11;q22).. "    ///    We also confirmed a very rare type of TLS/FUS-ERG chimeric transcript by fusion of the 5' part of the TLS/FUS gene in chromosome 16p11 and the 3' part of the ERG gene in chromosome 21q22 using reverse-transcriptase polymerase chain reaction and direct sequencing. 