Cavernous Angioma of the Internal Acoustic Meatus : Case Report
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概要
- 論文の詳細を見る
A 39-year-old female presented with an intrameatal cavernous angioma manifesting as hearing loss and tinnitus in the right ear which progressed over 8 months.Magnetic resonance(MR)images revealed an intrameatal lesion as ultra-high intensity,nearly as bright as cerebrospinal fluid,on the T_2-weighted images,and isointensity on the T_1-weighted images.Computed tomography(CT)showed the mass accompanied by stippled patterns of calcification.The patient underwent surgery under a diagnosis of calcified acoustic neurinoma.Histological studies were compatible with cavernous angioma.Intrameatal cavernous angioma is a rare disease which requires differential diagnosis from the more common neurinoma or meningioma in this location.Intrameatal lesion with ultra-high intensity on T_2-weighted MR imaging and stippled patterns of calcification on CT is more likely to be cavernous angioma than acoustic neurinoma.These neuroimaging features are important information in deciding the treatment strategy.
- 日本脳神経外科学会の論文
- 1999-11-15
著者
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SASAKI Tomio
Department of Neurosurgery, Graduate School of Medical Sciences, Kyushu University
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ISHIDA TSUYOSHI
Department of Pathology and Laboratory Medicine, National Center of Neurology and Psychiatry, Kohnod
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KIRINO Takaaki
Department of Neurosurgery
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Sasaki Tsutomu
Department Of Neurosurgery The University Of Tokyo Hospital
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Sasaki Tomio
Department Of Neurosurgery Faculty Of Medicine University Of Tokyo
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Kirino Takaaki
Department Of Neurosurgery The University Of Tokyo Hospital
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OKAMOTO Kouichiro
Department of Neurosurgery and Pathology,Faculty of Medicine,University of Tokyo
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Okamoto Kouichiro
Department Of Neurosurgery And Pathology Faculty Of Medicine University Of Tokyo
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Ishida Tsuyoshi
Department Of Pathology The University Of Tokyo Hospital
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Ishida Tsuyoshi
Department Of Obstetrics And Gynecology Kawasaki Medical School
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Sasaki Tomio
Department Of Neurosurgery Faculty Of Medicine Tokyo University
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Ishida Tsuyoshi
Department Of Obstetrics And Gynecology
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佐々木 努
Department of Neurosurgery and Pathology,Faculty of Medicine,University of Tokyo
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