J Korean Neurol Assoc.
1999 Nov;17(6):869-873.
Right Anterior Thalamic Infarction Presenting Only with Cognitive Dysfunction
- Affiliations
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- 1Department of Neurology, Ajou University School of Medicine.
- 2Department of Neurology, Yonsei University School of Medicine.
- 3Department of Neurology, Samsung Medical Center.
Abstract
- A 60 year-old right-handed man developed a sudden inability to find his way home from work. Neurologic examina-tions revealed no focal neurological deficit. Neuropsychological tests showed a memory deficit especially in the visu-ospatial domain along with visuospatial and frontal-executive dysfunction. A brain MRI revealed a small but discrete lesion in the right thalamus. The majority of the lesion was confined to the dorsomedial nucleus. These results suggest that a small unilateral thalamic infarction affecting the anterior area may be sufficient to produce "strategic-infarct dementia" without focal neurological deficit.
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