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Direct facial nerve stimulation in a patient with Bell palsy

On the clinically unaffected side, the right direct facial nerve motor amplitude and latency are normal for age. In comparison, on the affected side at 1 week the left facial motor amplitude is reduced by 40% and the latency is 20% prolonged in comparison to the unaffected side. (Contributed by Dr. James Russell.)

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Associated Disorders

  • AIDP
  • Acoustic neuroma (vestibular schwannoma)
  • Acute inflammatory demyelinating polyneuropathy
  • Diabetic neuropathies
  • Drug-induced disturbances of smell and taste
  • Hemifacial spasm
  • Herpes zoster oticus
  • Lyme disease
  • MS
  • Melkersson-Rosenthal syndrome
  • Migraine: clinical aspects
  • Multiple sclerosis: clinical aspects
  • NF2
  • Neurofibromatosis 2
  • Neurosarcoidosis
  • Neurosyplilis
  • Otalgia
  • PABP
  • Pregnancy: neuromuscular complications
  • RHS (Herpes zoster oticus)
  • Ramsay Hunt syndrome (Herpes zoster oticus)
  • Sarcoid neuropathy
  • Sjogren syndrome: neurologic complications
  • Sporadic schwannomas and neurofibromas
  • Traumatic cranial neuropathy
  • Tuberculosis of the CNS
  • Vestibular schwannoma