Abstract
Post-Stroke Lingual Dystonia: Clinical Description and Neuroimaging Findings
Highlights
Primary lingual dystonia is rare and mostly occurs in association with oromandibular dystonia secondary to varied causes.[1]
We assessed the topography of the lesions according to the anatomical structures involved for uniformity
11 patients presented with post-stroke lingual dystonia; seven had acute presentation and four had a chronic presentation
Summary
Primary lingual dystonia is rare and mostly occurs in association with oromandibular dystonia secondary to varied causes.[1]. Abnormal involuntary movement disorders develop in 1–4% of stroke victims.[3] Some of these disorders occur immediately after acute stroke, some can develop later, and others represent delayedonset progressive movement disorders.[4]. They are reported most commonly secondary to basal ganglia and thalamic strokes.[5]. We describe clinical features and neuroimaging findings in a series of 11 patients (seven acute and four chronic) with post-stroke lingual dystonia and review the literature. We could identify only one case of acute post-stroke lingual dystonia following the PubMed search. Three other cases of post-stroke lingual dystonia with chronic presentation have been described; these were associated with oromandibular or cranial dystonia. This suggests that the lingual dystonia was responsible for the dysarthria rather than weakness in these patients
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