Abstract

Palatal tremor (PT), also known as palatal myoclonus (PM), involves involuntary rhythmic contracture of the soft palate. The tensor veli palatine or levator veli palitini are involved and tensor veli palatine contraction can results in auditory clicks. PT can be idiopathic or secondary to lesions in the Guillain-Mollaret triangle. The radiographic hallmark of symptomatic PT is enlargement of the inferior olivary nucleus. Patients with symptomatic PT can develop extrapalatal rhythmic myoclonic movements and generalized ataxia.

Original languageEnglish (US)
Title of host publicationEncyclopedia of Movement Disorders
PublisherElsevier
Pages360-363
Number of pages4
ISBN (Electronic)9780123741059
ISBN (Print)9780123741011
DOIs
StatePublished - Jan 1 2010

Keywords

  • Essential palatal tremor
  • Eustachion tube
  • Guillain-Mollaret triangle
  • Inferior olivary nucleus
  • Levator veli palitini
  • Myoclonus
  • Palatal myoclonus
  • Palatal tremor
  • Symptomatic palatal tremor
  • Tensor veli palatini

ASJC Scopus subject areas

  • Medicine(all)
  • Neuroscience(all)

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