FUS-ERG gene fusion in isolated myeloid sarcoma showing uncommon clinical features..     ///    "To our knowledge, this is the first report of isolated MS carrying FUS-ERG gene fusion. "    ///    " FUS-ERG gene fusion has not been reported in cases of myeloid sarcoma (MS), a subtype of acute myeloid leukemia involving extramedullary anatomic sites. "    ///    Reverse transcriptase polymerase chain reaction and direct sequencing demonstrated the presence of the FUS-ERG chimeric gene transcript. 