Affiliation:
1. Department of Neurology Emory University School of Medicine Atlanta Georgia USA
2. Department of Human Genetics Emory University School of Medicine Atlanta Georgia USA
3. Department of Pediatrics Emory University School of Medicine Atlanta Georgia USA
Abstract
ABSTRACTBackgroundHemidystonia is defined as dystonia restricted to one side of the body. It is traditionally believed to result from a lesion in the contralateral hemisphere.ObjectivesTo describe a series of hemidystonia patients without lesions on brain imaging.MethodsWe searched for individuals with potential hemidystonia who were included in the Dystonia Coalition or Movement Disorder Society Genetic mutation database (MDSgene), and conducted a systematic review.ResultsWe found 10 individuals classified as hemidystonia or with homolateral limb dystonia among 3696 cases enrolled by the Dystonia Coalition, 9 cases in MDSgene, and one idiopathic case in the literature. None had evidence of a brain lesion. Body distributions used to define hemidystonia varied considerably and were not always restricted to one side of the body.ConclusionsHemidystonia may be idiopathic or genetic, without any obvious brain lesion. The varied use of the term suggests the need for more specific clinical criteria to define “half the body.”
Funder
Foundation for the National Institutes of Health
Subject
Neurology (clinical),Neurology
Cited by
1 articles.
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