期刊
MOVEMENT DISORDERS
卷 19, 期 6, 页码 663-666出版社
WILEY
DOI: 10.1002/mds.10697
关键词
lower lip dystonia; dystonia at rest; headache
Four patients, aged 25 to 42 years presented with acute onset of a movement disorder characterized by a tonic, sustained, lateral and outward protrusion of one half of the lower lip. The movement disorder was present at rest, while in some patients, it was also present during speech. In all cases, the abnormal lip posture could be suppressed voluntarily. Neurological examination was otherwise normal. Extensive laboratory investigation failed to reveal any causative factors for secondary focal dystonia. Treatment with oral medications and botulinum toxin was mostly ineffective. Spontaneous remissions were frequent. (C) 2004 Movement Disorder Society.
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