Fluctuating Cognitive Dysfunctions Induced by Possible Intracranial Steal Phenomenon with Pial Arteriovenous Malformation
Mi Jeong Lee, MD and San Jung, MD, MS
Department of Neurology, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
ABSTRACT
Background: Some cases of intracranial arteriovenous malformations (AVMs) show neurologic manifestations associated with hemodynamic change independent of hemorrhage or mass effect. Case Report: A 62-year- old man presented with right sided hemiparesis. Neurologic examination revealed fluctuation of memory. The score of Korean version of mini- mental state examination varied from 24/30 to 12/30 points. MRI and MRA showed pial AVM of right PICA with multifocal infarctions. Conclusions: We present a rare case of intracranial steal phenomenon with fluctuation of cognitive function in patient with pial AVM.
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