This report describes and discusses the clinical, MRI, and pathologic
findings in a case of synovial sarcoma arising within a peripheral ner
ve. Intraneural origin of synovial sarcoma is very unusual, and the MR
imaging appearance of this condition has not been previously reported
. MR imaging was valuable, as it showed the intraneural location and e
xtent of the tumor, but it did not allow a specific histologic diagnos
is.