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Endovascular Perforation Model for Subarachnoid Hemorrhage Combined with Magnetic Resonance Imaging (MRI)
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[Artery of Percheron occlusion: Value of MRI. A review of six cases]

J L Lamboley1, F Le Moigne, L Have

  • 1Service d'imagerie médicale, hôpital d'instruction des Armées Desgenettes, 108, boulevard Pinel, 69375 Lyon cedex 03, France. jllamboley@neuf.fr

Journal De Radiologie
|December 14, 2011
PubMed

Blood supply to the human thalami is complex and multiple variants exist. The artery of Percheron is one of those variants and is characterized by a solitary arterial trunk that branches from one of the proximal segments of either posterior cerebral artery and supplies blood to the paramedian thalami. Its occlusion results in bilateral paramedian thalamic infarction sometimes extending to the midbrain. We report six cases of bithalamic infarction secondary to occlusion of the artery of Percheron. We will illustrate the complex clinical symptomatology and underscore the role of imaging, especially MRI, for diagnosis.

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