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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 23:473-475, March 2002
© 2002 American Society of Neuroradiology

Case Report
HEAD & NECK

Solitary Fibrous Tumor of the Parapharyngeal Space: MR Imaging Findings

Ae Kyung Jeong^a, Ho Kyu Lee^a, Sang Yoon Kim^b and Kyung-Ja Cho^c

^a Departments of Radiology, Asan Medical Center, University of Ulsan College of Medicine, South Korea
^b Otolaryngology, Asan Medical Center, University of Ulsan College of Medicine, South Korea
^c Diagnostic Pathology, Asan Medical Center, University of Ulsan College of Medicine, South Korea

Address reprint requests to Ho Kyu Lee, MD, Department of Radiology, Asan Medical Center, 388–1 Poongnap-Dong, Songpa-Ku, Seoul 138–736, South Korea

Summary: We report the MR imaging findings of a solitary fibrous tumor involving the parapharyngeal space. The tumor was a well-circumscribed solid mass with a lobulated contour. It had the same signal intensity as the muscle on T1-weighted MR images, heterogeneously high signal intensity on T2-weighted images, and homogeneous strong enhancement after the administration of contrast material. It mimicked a tumor originating from the deep lobe of the parotid gland.

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