Facial palsy (Bell's palsy)

Etiology

  • Bell’s palsy (idiopathic)
  • HIV
  • Lyme disease
  • Sarcoidosis
  • Ramsay Hunt syndrome (herpes zoster of geniculate ganglion)
  • Acoustic neuroma
  • Acute or chronic otitis media
  • Malignant otitis externa
  • Guillain-Barré syndrome
  • Tumor, eg, parotid, temporal bone tumor
  • Brainstem infarct

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