The meatal ganglion in neoplasia and inflammation of the facial nerve

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The meatal ganglion in neoplasia and inflammation of the facial nerve Powered By Docstoc
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Description: The most common cause of idiopathic facial paralysis (Bell palsy) is now believed to be the reactivation of a latent neurotrophic virus (herpesvirus family) in the sensory neurons of the facial nerve.7 Although it was first assumed that the geniculate ganglion is the location of this latent viral infection, recent neuroimaging and histopathologic evidence8,9 places the earliest enhancement (on magnetic resonance imaging [MRI]) in the fundus of the internal auditory canal (figure 3).
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