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Palatal myoclonus

Spasms of the palatal (roof of the mouth) muscles

Field	Value
name	Palatal myoclonus
image	The-Dentato-Rubro-Olivary-Tract-Clinical-Dimension-of-This-Anatomical-Pathway-934386.f1.ogv
caption	Palatal myoclonus

Palatal myoclonus is a rare condition in which there are rhythmic jerky movements or a rapid spasm of the palatal (roof of the mouth) muscles. Chronic clonus is often due to lesions of the central tegmental tract (which connects the red nucleus to the ipsilateral inferior olivary nucleus).

When associated with eye movements, it is known as oculopalatal myoclonus.

Signs and symptoms

Signs and symptoms of palatal myoclonus include:

A rhythmic clicking sound in the ear due to the opening and closing of the Eustachian tube.
Rhythmic, jerky movements in the face, eyeballs, tongue, jaw, vocal cords or extremities (mostly hands).

Treatment

Drugs

Drugs used to treat palatal myoclonus include clonazepam, carbamazepine, baclofen, anticholinergics, tetrabenazine, valproic acid, phenytoin, lamotrigine, sumatriptan, and PIR. A rare case of palatal myoclonus that associated with orofacial buccal dystonia has been treated with Botulinum toxin A (Dysport) injection and counseling.

Notes

http://www.tchain.com/otoneurology/disorders/central/opm.html
https://www.hindawi.com/journals/criot/2013/231505/

References

Kim, Jong S.. (2016). "Stroke". Elsevier.
Zadikoff C, Lang AE, Klein C.. (29 November 2005). "The 'essentials' of essential palatal tremor: a reappraisal of the nosology.". Brain.
Saeed SR1, Brookes GB.. (1993). "The use of clostridium botulinum toxin in palatal myclonus. A preliminary report.". Journal of Laryngology & Otology.

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

extrapyramidal-and-movement-disorders

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