Abstract:An 83-year-old male exhibited cognitive impairment and deteriorated in few days. MRI T2WI and FLAIR image showed high signal intensity and low signal intensity on T2 * WI in the thalami. Angiographical images showed small dural arteriovenous fistula at the falco-tentorial junction with straight sinus thrombosis. A part of the venous drainage refluxed and congested to the area of bilateral internal cerebral vein. Based on these findings, the venous congestion of thalami caused the patient to cognitive decline. … Show more
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