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Other Dystonias 

Other Dystonias
Chapter:
Other Dystonias
Author(s):

Julie Phukan

and Thomas Warner

DOI:
10.1093/med/9780199609536.003.0019
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date: 23 February 2020

Primary forms of dystonia represent around 70 per cent of all cases and are described in Chapter 18. The remainder comprise those cases where dystonia is part of a more complex movement disorder or neurological syndrome. These can be divided into four broad categories: dystonia-plus syndromes, heredodegenerative disorders, secondary (or symptomatic dystonia), and dystonia that is a feature of another neurological condition. The key difference from primary dystonia is the presence of other neurological features in addition to dystonia. Many have underlying neurodegeneration, often genetic in origin.

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