Changes in the Subarachnoid Space Precede Ventriculomegaly in Idiopathic Normal Pressure Hydrocephalus (iNPH)
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概要
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We report on an 80-year-old woman who had shunt-responsive idiopathic normal pressure hydrocephalus (iNPH). Her brain MRI showed an initial change in the subarachnoid space (a disproportional narrowing of the subarachnoid space at the cerebral high convexities) at the age of 70 years, followed by enlargement of the ventricles (Evans index: 0.31) at the age of 78. The observation suggests that changes in the subarachnoid space may precede ventricular enlargement in iNPH.
著者
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Arawaka Shigeki
Department of Neurology, Hematology, Metabolism, Endocrinology and Diabetology, Yamagata University
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Takahashi Yoshimi
Department of Neurology, Hematology, Metabolism, Endocrinology and Diabetology, Yamagata University
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Wada Manabu
Department Of Neurology Hematology Metabolism Endocrinology And Diabetes Yamagata University School
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Kawanami Toru
Department Of Neurology Hematology Metabolism Endocrinology And Diabetes Yamagata University School
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Iseki Chifumi
Department Of Neurology Hematology Metabolism Endocrinology And Diabetology Yamagata University Faculty Of Medicine
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KATO Takeo
Department of Applied Physics, Osaka City University
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Kawanami Toru
Department of Neurology, Hematology, Metabolism, Endocrinology, and Diabetology, Faculty of Medicine, Yamagata University, Japan
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Arawaka Shigeki
Department of Neurology, Hematology, Metabolism, Endocrinology, and Diabetology, Faculty of Medicine, Yamagata University, Japan
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