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Combined focal myoclonus and dystonia secondary to a cerebellar hemorrhage: a case report
Cited 2 time in
Web of Science
Cited 3 time in Scopus
- Authors
- Issue Date
- 2016-11-17
- Publisher
- BioMed Central
- Citation
- BMC Neurology, 16(1):228
- Keywords
- Myoclonus ; Dystonia ; Cerebellar lesion ; Magnetic resonance imaging ; Electromyography
- Description
- This article is distributed under the terms of the Creative Commons Attribution 4.0
International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and
reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to
the Creative Commons license, and indicate if changes were made.
- Abstract
- Abstract
Background
Myoclonus is a clinical sign characterized by sudden, brief jerky, shock-like involuntary movements of a muscle or group of muscles. Dystonia is defined as a syndrome of sustained muscle contractions, frequently causing twisting and repetitive movements or abnormal postures. Cases of myoclonus or dystonia secondary to a structural lesion in the cerebellum have been reported. However, there has never been a reported case of combined myoclonus and dystonia secondary to a cerebellar lesion.
Case presentation
Herein, we report a 22-year-old female patient with sudden-onset myoclonic jerks, dystonic posture and mild ataxia in the right upper extremity. At age 19, she experienced sudden headache with vomiting. The neurological examination showed ataxia, myoclonus and dystonia in the right upper extremity. Brain images demonstrated a hemorrhage in the right cerebellar hemisphere secondary to a cavernous malformation. After resection of the hemorrhagic mass, headache with vomiting disappeared and ataxia improved, but myoclonus and dystonia persisted.
Conclusions
It is the first report of combined focal myoclonus and dystonia secondary to a cerebellar lesion.
- Language
- English
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