Abstract
Vernet syndrome is a unilateral palsy of glossopharyngeal, vagus, and accessory nerves. Varicella zoster virus (VZV) infection has rarely been described as a possible cause. A 76-year-old man presented with 1-week-long symptoms of dysphonia, dysphagia, and weakness of the right shoulder elevation, accompanied by a mild right temporal parietal headache with radiation to the ipsilateral ear. Physical examination showed signs compatible with a right XI, X, and XI cranial nerves involvement and also several vesicular lesions in the right ear’s concha. He had a personal history of poliomyelitis and chickenpox. Laringoscopy demonstrated right vocal cord palsy. Brain MRI showed thickening and enhancement of right lower cranial nerves and an enhancing nodular lesion in the ipsilateral jugular foramen, in T1 weighted images with gadolinium. Cerebrospinal fluid (CSF) analysis disclosed a mild lymphocytic pleocytosis and absence of VZV-DNA by PCR analysis. Serum VZV IgM and IgG antibodies were positive. The patient had a noticeable clinical improvement after initiation of acyclovir and prednisolone therapy. The presentation of a VZV infection with isolated IX, X, and XI cranial nerves palsy is extremely rare. In our case, the diagnosis of Vernet syndrome as a result of VZV infection was made essentially from clinical findings and supported by analytical and imaging data.
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Acknowledgments
We gratefully acknowledge discussion of MRI images with Carolina Santos, Neuroradiology Department, and laryngoscopy execution and its discussion with Sandra Agostinho, Otorhinolaryngology Department, both from Hospital Santa Maria, Lisbon, Portugal.
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Ferreira, J., Franco, A., Teodoro, T. et al. Vernet syndrome resulting from varicella zoster virus infection—a very rare clinical presentation of a common viral infection. J. Neurovirol. 24, 379–381 (2018). https://doi.org/10.1007/s13365-018-0622-8
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DOI: https://doi.org/10.1007/s13365-018-0622-8