Ischemic chiasmal syndrome associated with posterior communicating artery (PCoA) and tuberothalamic artery (TA) infarction: a case report
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2021
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Abstract
Lesions affecting the body of the optic chiasm typically produce bitemporal hemianopia. The blood supply comes from the anterior communicating artery, anterior cerebral, posterior communicating, posterior cerebral, and basilar arteries. We herein report a young patient admitted to the emergency department with acute confusion, left-sided hemiparesis, hemihypoesthesia, and dysarthria. Bitemporal hemianopia was detected after resolution of confusion. On cranial magnetic resonance imaging (MRI), infarction in the right anterolateral thalamus in the territory of tuberothalamic artery (TA) and in posterior chiasma in the territory of the posterior communicating artery (PCoA) was revealed. Cerebral MR angiography showed luminal irregularity of the PCoA. The patient was presented to draw attention to the rare entity ischemic chiasmal syndrome. © 2020, Fondazione Società Italiana di Neurologia.
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Basilar Artery , Cerebral Angiography , Cerebral Infarction , Circle of Willis , Humans , Magnetic Resonance Imaging , cholesterol , triacylglycerol , very low density lipoprotein , acute confusion , adult , apparent diffusion coefficient , Article , case report , cholesterol blood level , clinical article , diffusion weighted imaging , disease association , dysarthria , hemianopia , hemiparesis , human , hypesthesia , infarction , ischemic chiasmal syndrome , magnetic resonance angiography , male , nuclear magnetic resonance imaging , optic chiasm , posterior communicating artery , rare disease , syndrome , thalamus lateral nucleus , triacylglycerol blood level , tuberothalamic artery infarction , visual field defect , basilar artery , brain angiography , brain circulus arteriosus , brain infarction