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AJNR Awards, New Junior Editors, and more. Read the latest AJNR updates

OtherBRAIN

Imaging of Acute Bilateral Paramedian Thalamic and Mesencephalic Infarcts

M. Gisele Matheus and Mauricio Castillo
American Journal of Neuroradiology November 2003, 24 (10) 2005-2008;
M. Gisele Matheus
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Mauricio Castillo
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Abstract

Summary: Thalami and midbrain arterial supply arises from many perforating blood vessels with a complex distribution for which many variations have been described. One rare variation, named the “artery of Percheron,” is a solitary arterial trunk that arises from one of the proximal segments of a posterior cerebral artery and supplies the paramedian thalami and the rostral midbrain bilaterally. Occlusion of this artery results in bilateral thalamic and mesencephalic infarctions. We describe three patients with a presumed occlusion of the artery of Percheron in whom MR imaging showed characteristic symmetrical bilateral paramedian thalamic and mesencephalic infarctions.

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American Journal of Neuroradiology: 24 (10)
American Journal of Neuroradiology
Vol. 24, Issue 10
1 Nov 2003
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M. Gisele Matheus, Mauricio Castillo
Imaging of Acute Bilateral Paramedian Thalamic and Mesencephalic Infarcts
American Journal of Neuroradiology Nov 2003, 24 (10) 2005-2008;

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Imaging of Acute Bilateral Paramedian Thalamic and Mesencephalic Infarcts
M. Gisele Matheus, Mauricio Castillo
American Journal of Neuroradiology Nov 2003, 24 (10) 2005-2008;
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  • Artery of Percheron occlusion with first-pass recanalisation of the first segment of posterior cerebral artery
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  • Patent foramen ovale associated with the unusual presentation of unilateral paramedian thalamic perforating artery infarction after embolic occlusion of 'artery of Percheron': case report and review of the literature
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