Hemidystonia can be an initial manifestation of leptomeningeal metastasis associated with gastric adenocarcinoma.
May warrant considering leptomeningeal metastasis in gastric adenocarcinoma with new hemidystonia; hypothesis-generating and requires confirmation.
A 76-year-old woman gradually developed action dystonia of the left hand and foot. Leptomeningeal metastasis of the right fronto-parietal area associated with gastric adenocarcinoma was found on the brain magnetic resonance imaging (MRI) and positron emission tomography (PET) studies. We discuss the mechanisms involved in the development of secondary hemidystonia and review dystonia associated with cortical lesions.
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Jung et al. (2009) studied this question.
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