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Case Reports
. 2021 Apr 22;8(5):775-777.
doi: 10.1002/mdc3.13213. eCollection 2021 Jul.

Hemimasticatory Spasm: The First Case Report of Bilateral Presentation

Zaruhi D Tavadyan  1   2 , Nune S Yeghiazaryan  1   3 , Samson G Khachatryan  1   2
Affiliations
Case Reports

Hemimasticatory Spasm: The First Case Report of Bilateral Presentation

Zaruhi D Tavadyan et al. Mov Disord Clin Pract. .
No abstract available

Keywords: bilateral; botulinum toxin treatment; hemimasticatory spasm; masseter contractions.

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Conflict of interest statement

No specific funding was received for this work. The authors declare that there are no conflicts of interest relevant to this work.

Figures

FIG. 1
FIG. 1
Concentric needle EMG of the right masseter muscle showing a spontaneous burst of motor unit potentials during an involuntary muscle spasm (courtesy of Dr. Armine Kteyan).
FIG. 2
FIG. 2
Concentric needle EMG of the left masseter muscle with bursts of motor unit potentials during voluntary tonic muscle contraction (jaw clenching) (courtesy of Dr. Armine Kteyan).
See this image and copyright information in PMC

References

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    1. Jiménez‐Jiménez FJ, Puertas I, Alonso‐Navarro H. Hemimasticatory spasm secondary to biopercular syndrome. Eur Neurol 2008;59(5):276–279. - PubMed
    1. Kim HJ, Jeon BS, Lee KW. Hemimasticatory spasm associated with localized scleroderma and facial hemiatrophy. Arch Neurol 2000;57(4):576–580. - PubMed
    1. Esteban A, Traba A, Prieto J, Grandas F. Long term follow up of a hemimasticatory spasm. Acta Neurol Scand 2002;105(1):67–72. - PubMed
    1. Auger RG, Litchy WJ, Cascino TL, Ahlskog JE. Hemimasticatory spasm: clinical and electrophysiologic observations. Neurology 1992;42(12):2263–2266. - PubMed

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