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Year : 2014  |  Volume : 20  |  Issue : 3  |  Page : 126-128

Persistent bilateral function after unilateral facial nerve transection

1 Department of Otolaryngology-Head Neck Surgery, University of Illinois, Chicago, USA
2 Department of Neurosurgery, University of Illinois, Chicago, USA

Correspondence Address:
A Sehgal
Department of Otolaryngology Head Neck Surgery, University of Illinois, Chicago
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0971-7749.136859

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To indicate that occasionally the contralateral facial nerve provides redundant innervation to the hemi-face. Single case report. We report the case of a patient whose facial nerve was transected during removal of a 3 cm vestibular schwannoma. Postoperatively, this patient still demonstrated spontaneous mimetic motion on the side of the face ipsilateral to the transsection. Review of the literature finds rare instances of preserved function after nerve transection in the removal of large parotid masses. We speculate that the slow loss of ipsilateral function can at times contribute to innervation from the contralateral facial nerve.

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