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1
Occlusion of the artery of Percheron in the context of a unilateral fetal-type posterior cerebral artery is a rare cause of bilateral thalamic infarction.
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2
All three patients exhibited acute impairment of consciousness and pupillary dysfunction, with neuroimaging confirming bilateral paramedian thalamic infarctions.
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3
Endovascular treatment was performed on all patients, but outcomes varied, with poor prognosis in Cases 1 and 3, while Case 2 showed neurological improvement.
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4
The presence of a unilateral fetal-type posterior cerebral artery serves as a critical diagnostic clue for artery of Percheron infarction.
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5
Early neuroimaging, particularly MRI, is essential for timely diagnosis of artery of Percheron infarction.
