doi: 10.3174/ajnr.A1141
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American Journal of Neuroradiology 29:1743-1745, October 2008
© 2008 American Society of Neuroradiology
Case Report
HEAD & NECK
A Case of Varicella Zoster Virus Polyneuropathy: Involvement of the Glossopharyngeal and Vagus Nerves Mimicking a Tumor
a From the Department of Radiology, Ohshima Clinic, Yamagata, Japan
Please address correspondence to Michito Adachi, MD, Department of Radiology, Ohshima Clinic, 4-1-14 Sakurada Nishi, Yamagata 990-2321, Japan; e-mail: miadchi{at}beach.ocn.ne.jp
SUMMARY: A 36-year-old woman presented with glossopharyngeal and vagus nerve palsy, which proved to be herpes zoster based on the high titers of Varicella zoster virus antibody in her serum. Thin-section T1-weighted images with contrast media demonstrated swelling and distinct contrast enhancement of the glossopharyngeal and vagus complex, mimicking a tumor. Following MR imaging, the size of the nerve complex returned to normal; however, the contrast enhancement remained longer than the symptoms.