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Palatal tremor as a manifestation of posterior circulation haemorrhagic stroke
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  1. Saed Alnaimat1,
  2. Raghav Chandra2,
  3. Shweta Gupta3,
  4. Benjamin Mba4
  1. 1 Graduate College, Rush University, Chicago, Illinois, USA
  2. 2 Medical College, Rush University Medical Center, Chicago, Illinois, USA
  3. 3 Department of Hematology-Oncology, John H Stroger Jr Hospital of Cook County, Chicago, Illinois, USA
  4. 4 Department of Medicine, John H Stroger Jr Hospital of Cook County, Chicago, Illinois, USA
  1. Correspondence to Dr Saed Alnaimat, saed_alnaimat{at}rush.edu

https://doi.org/10.1136/bcr-2018-224518

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    Description

    Palatal tremor (previously called palatal myoclonus) is an extremely rare movement disorder characterised by involuntary, rhythmic contractions of the palatal muscles. Due to its rarity, this cryptic neurological finding is practically challenging to discover, and often missed by clinicians unless specifically looked for during physical examination.

    Palatal tremor was first described by Politzer in 1862. Its prevalence data are lacking in the literature, with only a few hundred cases reported. The most notable pathological change is hypertrophic degeneration of the inferior olivary nuclei, which are presumed to be the pacemaker of symptomatic palatal tremor. The rhythmic inferior olivary activity is transmitted to the brainstem reticular centres controlling bulbar and limb functions.1

    Two forms of palatal tremor have been described: essential and symptomatic. The aetiology of essential palatal …

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