Document Detail


Posttraumatic dystonia and hemiplegic migraine: different expressions of neuronal hyperexcitability?
MedLine Citation:
PMID:  22217613     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The development of focal hand dystonia after a traumatic injury of the central or the peripheral nervous system is a rare condition with multifactorial predisposing factors. We report on a patient who developed focal dystonia of the left hand after a cervical whiplash injury. Magnetic resonance imaging did not show cerebral or spinal lesions, whereas a brain F-FDG PET scan revealed hypometabolism of the right primary sensory-motor cortex extending to the inferior and superior parietal lobule. The patient had a history of recurrent migraine attacks. Four months before the whiplash injury, she had transient dystonic posture of the left hand during a hemiplegic migraine attack. Brain magnetic resonance imaging scan and neurovascular investigations were negative. Among the predisposing factors to the development of trauma-induced dystonia, a putative role of neuronal hyperexcitability, shared by migraine and dystonia, is discussed.
Authors:
Annachiara Cagnin; Elisabetta Gasparoli; Luca Santelli; Andrea Marcante; Chiara Briani
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The neurologist     Volume:  18     ISSN:  1074-7931     ISO Abbreviation:  Neurologist     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-01-05     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9503763     Medline TA:  Neurologist     Country:  United States    
Other Details:
Languages:  eng     Pagination:  36-8     Citation Subset:  IM    
Affiliation:
*Department of Neurosciences, University of Padova, Padova †I.R.C.C.S. Ospedale San Camillo, Venice, Italy.
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