Pathophysiology of hemimasticatory spasm.
نویسندگان
چکیده
منابع مشابه
Pathophysiology of hemimasticatory spasm.
Two patients aged 21 and 50 years presented with facial hemiatrophy and unilateral spasms of the masticatory muscles. Masticatory muscle biopsy showed normal findings in both patients and facial skin biopsy specimens only showed atrophy, although morphoea (localised facial scleroderma) had been diagnosed nine years previously in the second patient. The involuntary movements consisted of brief t...
متن کاملHemimasticatory spasm secondary to biopercular syndrome.
A 45-year-old male patient was evaluated because of involuntary spasms in his right masseter muscle. Five years before, following an acute respiratory insufficiency which required endotracheal intubation, he had presented with dysarthria, bilateral (predominantly right) supranuclear facial and hypoglossal palsy, and inability to achieve tongue protrusion, difficulty in chewing and bilateral dys...
متن کاملHemimasticatory spasm misdiagnosed as other mimickers: Report of two cases
Hemimasticatory spasm is a rare neurologic disorder characterized by unilateral, paroxysmal involuntary contraction of the masticatory muscles. It can be confused with other unilateral facial spasms. In this report, we present two patients with hemimasticatory spasm who were initially misdiagnosed with other disorders. The first patient was a 54-year-old man with a 9-year history of right facia...
متن کاملHemimasticatory spasm associated with localized scleroderma and facial hemiatrophy.
OBJECTIVES To report a case and discuss the mechanism of hemimasticatory spasm. DESIGN Case report. PATIENT A 37-year-old woman had a 3-year history of involuntary spasms of the right masseter muscle in association with localized scleroderma and facial hemiatrophy. Electrophysiological studies revealed a normal blink reflex. However, the masseter reflex and silent period were absent on the ...
متن کاملHemimasticatory spasm treated with botulinum toxin: case report.
We describe a female patient with hemimasticatory spasm, a rare movement disorder due to dysfunction of the motor trigeminal nerve of unknown origin. This patient had an excellent response to botulinum toxin therapy.
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ژورنال
عنوان ژورنال: Journal of Neurology, Neurosurgery & Psychiatry
سال: 1994
ISSN: 0022-3050
DOI: 10.1136/jnnp.57.1.43