GCH1 mutation in a patient with adult-onset oromandibular dystonia.

Steinberger, D; Topka, H; Fischer, D; Müller, U · Neurology · 1999

case_report · Level V

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Abstract

The authors report a mutation in exon 5 of GCH1 in a patient with adult-onset oromandibular dystonia and no obvious family history of dystonia. The patient responded positively to treatment with L-dopa. These findings demonstrate that GCH1 mutations must be considered even in patients with dystonic symptoms not typical of dopa-responsive dystonia.

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