Thalamic infarction and subarachnoid hemorrhage due to artery of Percheron dissection

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  • Artery of Percheronの解離に伴い視床梗塞を発症し，その後くも膜下出血を呈した1例

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Abstract

<p>A 28-year-old woman was admitted to our hospital with transient double vision. Head MRI and angiography revealed left thalamic infarction and fusiform dilatation of thalamic perforator originating from the right P1. It was difficult to diagnose it as AOP infarction, because AOP dissection should be really rare. Therefore, she started taking aspirin for prevention of recurrent ischemia, and was discharged with no symptom. Approximately one month later, she complained severe headache, and head CT revealed subarachnoid hemorrhage. Aspirin was suspected to exacerbate the AOP dissection and cause the hemorrhage. She stopped taking aspirin, and her blood pressure was kept low. Eventually, she was discharged with no neurological deficit, and the fusiform dilatation of AOP improved. The etiology was strongly suspected to be AOP dissection.</p>

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