n SA Journal of Radiology - Paramedian thalamic stroke syndrome : short report
|Article Title||Paramedian thalamic stroke syndrome : short report|
|Journal||SA Journal of Radiology|
|Author||Z.I. Lockhat, S. Raven, M. Van Rensburg and I. Van de Werke|
|Publication Date||Mar 2006|
|Pages||11 - 13|
Extracted from text ... Introduction Bilateral paramedian thalamic infarction is rare. The suggested mechanism is occlusion of a single central thalamic perforating artery - an anatomic variant described by Percheron in 1977.1 Bilateral paramedian thalamic infarctions may result in the classic triad of hypersomnolence (excessive sleepiness), ocular disturbances (supranuclear and vertical gaze palsy) and neuropsychological deficits (including an amnestic syndrome). 2 The paramedian thalamus is believed to play an important role in the regulation of sleep and disturbances in sleep regulation are known to occur in paramedian thalamic stroke (PTS). Because of the absence of lateralising signs in PTS ('inobvious stroke') disturbance of consciousness ..
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