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Down the Stairs Dystonia-A Novel Task-Specific Focal Isolated Syndrome.


ABSTRACT: Adult-onset, task-specific dystonia of the lower limb is a rare occurrence. In this report, the authors present 6 cases of task-specific dystonia manifested only when going down the stairs. These patients were seen by 6 different neurologists from across Canada, Australia, and New Zealand, and all videos were reviewed by 1 movement disorders specialist who made the final diagnosis. Video description of each case is also presented. All 6 patients demonstrated dystonia of 1 of their lower limbs specifically only when going down the stairs. The remainder of the neurological examination was normal, and distractibility, inconsistency, fixed dystonia, or a premonitory urge were absent, making functional movement disorder and tic disorder unlikely. These 6 patients display a distinct, adult-onset, focal isolated dystonia manifested only on going down the stairs that is recognizable as a new task-specific dystonia of the lower extremity.

SUBMITTER: Menon S 

PROVIDER: S-EPMC6353457 | biostudies-literature | 2017 Jan-Feb

REPOSITORIES: biostudies-literature

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Down the Stairs Dystonia-A Novel Task-Specific Focal Isolated Syndrome.

Menon Suresh S   Muglan Jihad A JA   Shimon Laith L   Stewart Dwight D   Snow Barry B   Hayes Michael M   Fung Victor S C VSC   Jog Mandar S MS  

Movement disorders clinical practice 20160606 1


Adult-onset, task-specific dystonia of the lower limb is a rare occurrence. In this report, the authors present 6 cases of task-specific dystonia manifested only when going down the stairs. These patients were seen by 6 different neurologists from across Canada, Australia, and New Zealand, and all videos were reviewed by 1 movement disorders specialist who made the final diagnosis. Video description of each case is also presented. All 6 patients demonstrated dystonia of 1 of their lower limbs sp  ...[more]

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