Which cranial nerves are involved in the pathogenesis of Ramsay Hunt syndrome?

Updated: Jul 16, 2018
  • Author: Sombat Muengtaweepongsa, MD, MSc; Chief Editor: Niranjan N Singh, MBBS, MD, DM, FAHS, FAANEM  more...
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Answer

Ramsay Hunt syndrome is defined as VZV infection of the head and neck that involves the facial nerve, often the seventh cranial nerve (CN VII). Other cranial nerves (CN) might be also involved, including CN VIII, IX, V, and VI (in order of frequency). This infection gives rise to vesiculation and ulceration of the external ear and ipsilateral anterior two thirds of the tongue and soft palate, as well as ipsilateral facial neuropathy (in CN VII), radiculoneuropathy, or geniculate ganglionopathy.


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