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American Journal of Neuroradiology 26:2402-2405, October 2005
© 2005 American Society of Neuroradiology

Case Report
SPINE

Spinal Epidural Synovial Sarcoma: A Case of Homogeneous Enhancing Large Paravertebral Mass on MR Imaging

Sang-il Suha, Hae Young Seola, Suk-Joo Honga, Joo Han Kimb, Jong Hyun Kimb, Ju Han Leec and Myung Gyu Kimd

a Medical Research Center and Departments of Radiology
b Neurosurgery
c Pathology, Guro Hospital, Korea University School of Medicine, Seoul, South Korea
d Korea MS Diagnostic Radiology Clinic, Guro-Ku, Seoul, South Korea

Address correspondence to Joo Han Kim, MD, Department of Neurosurgery and Medical Science Research Center, Guro Hospital, Korea University School of Medicine, 97 Gurodong-Gil, Guro-Ku, Seoul 152–703, South Korea

Summary: We report the MR imaging findings in a 44-year-old man with a low-grade synovial sarcoma. There was a right-sided epidural and paravertebral mass, widening of the ipsilateral neural foramen at the L4–L5 level, and focal erosion of the right superior articular process of the L5 vertebra. The mass was relatively homogeneous, hyperintense to muscle and isointense to fat on T2-weighted images, and isointense to muscle on T1-weighted images, and it demonstrated moderate homogeneous enhancement.




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Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X