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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 23:1257-1260, August 2002
© 2002 American Society of Neuroradiology

Case Report
HEAD AND NECK

Syncope as a Sign of Occult Malignant Recurrence in the Retropharyngeal and Parapharyngeal Space: CT and MR Imaging Findings in Four Cases

Mitsuhiko Nakahira^a, Hiroaki Nakatani^a and Taizo Takeda^a

^a From the Department of Otolaryngology, Kochi Medical School, Nankoku, Kochi, 783-8505 Japan

Address reprint requests to Mitsuhiko Nakahira, MD

Summary: Although rare, syncope may result from metastasis to the retropharyngeal or parapharyngeal space and involve or invade the glossopharyngeal nerve or internal carotid artery. We report the CT and MR imaging findings in four patients with syncope that preceded the diagnosis of recurrent squamous cell carcinoma in the pericarotid region. These findings suggest that recurrent carcinoma should be ruled out when a patient with head and neck malignancy and syncope is postoperatively examined.

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