TY - JOUR T1 - Primary Retropharyngeal Synovial Sarcoma JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 811 LP - 812 DO - 10.3174/ajnr.A1333 VL - 30 IS - 4 AU - H. Shi AU - S. Wang AU - P. Wang AU - Q. Yu Y1 - 2009/04/01 UR - http://www.ajnr.org/content/30/4/811.abstract N2 - SUMMARY: Synovial sarcoma is the third most common histologic type of extremity soft tissue sarcoma. However, primary retropharyngeal synovial sarcoma is extremely rare. We present a case of primary retropharyngeal synovial sarcoma in a 60-year-old woman. The radiographic imaging of our present cases was characteristic of a heterogeneously enhancing mass. ER -