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KMID : 1034720190110020169
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Journal of Neurosonology and Neuroimaging
2019 Volume.11 No. 2 p.169 ~ p.172
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Moyamoya Disease Presenting as Transient Amnesia with Cortical Blindness
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Hong Jun-Yeong
Na Sang-Jun
Shin Jung-Won
Kim Hyun-Sook
Kim Won-Chan
Kim Ok-Joon
Oh Seung-Hun
Lee Kee-Ook
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Abstract
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Symptoms of moyamoya disease (MMD) are typically associated with regions of the brain supplied by the internal carotid arteries and middle cerebral arteries. We describe a patient who presented with transient cortical blindness, anosognosia, and amnesia associated with MMD. A 22-year-old right-handed woman presented with amnesia and visual impairments. She completely denied blindness and recent memory disturbances with confabulation. Diffusion and T2-weighted magnetic resonance imaging showed high signal intensities on the left basal ganglia, suggesting an acute ischemic stroke. In cerebral angiography, complete occlusion of the distal internal carotid artery was shown, with collateral flow noted within the posterior cerebral artery. Neuropsychological and cognitive problems related to MMD have been previously reported in the literature. We believe that these symptoms reflect transient ischemia caused by a disturbed hemodynamic status. This case report demonstrates that patients with MMD can present with transient posterior circulation symptoms in the form of Dide-Botcazo syndrome.
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KEYWORD
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Moyamoya disease, Blindness, Cortical, Amnesia, Cerebral infarction
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