Percheron artery infarct
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Occlusion of the artery of Percheron results in bilateral medial thalamic and rostral mesencephalic infarction with a relatively symmetrical distribution (artery of Percheron infarct). From a practical standpoint, these infarcts should be recognized as due to occlusion of a possible single rare artery that is a normal anatomic variant showing its peculiar supply and not be blamed on occlusion of multiple vascular territories.
Case courtesy of Dr Nitin Singh
- 1. Matheus MG, Castillo M. Imaging of acute bilateral paramedian thalamic and mesencephalic infarcts. AJNR Am J Neuroradiol. 2004;24 (10): 2005-8. Pubmed citation