Intracranial Epidermoid Cyst Including Elements of Old Hematoma
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概要
- 論文の詳細を見る
A 70-year-old female presented with symptoms of right-sided trigeminal neuralgia. Computed tomography showed a high-density mass in the prepontine cistern without enhancement. Magnetic resonance (MR) imaging showed the mass as heterogeneous with variable but largely high-signal intensity on T_1-weighted images and low-signal intensity on T_2-weighted images. At surgery, the lesion was found to be an epidermoid cyst filled with old blood and lipid debris. The high-signal intensity on the T_1-weighted images may reflect lipid or methemoglobin with the low intensity on T_i-weighted images representing hemosiderin. Most intracranial epidermoid cysts appear as low-intensity lesions on T_1-weighted images and high-signal intensity on T_2-weighted images. Typical MR imaging findings are neither specific for nor constant with epidermoid cysts, requiring critical differential diagnosis.
- 日本脳神経外科学会の論文
- 1997-11-15
著者
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KAMEZAKI Takao
Department of Neurosurgery, Tsukuba Memorial Hospital
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NOSE Tadao
Department of Neurosurgery, Institute of Clinical Medicine, University of Tsukuba
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Kamezaki Takao
Department Of Neurological Surgery Institute Of Clinical Medicine University Of Tsukuba
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Kamezaki Takao
Department Of Neurosurgery Ibaraki Seinan Medical Center Hospital
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TSURUSHIMA Hideo
Department of Neurosurgery, Institute of Clinical Medicine, University of Tsukuba
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Tsurushima Hideo
Department Of Neurosurgery Ibaraki Seinan Medical Center Hospital
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Tsurushima Hideo
Department Of Neurosurgery Institute Of Clinical Medicine University Of Tsukuba
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Nose Tadao
Department Of Neurological Surgery Insititute Of Clinical Medicine University Of Tsukuba
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TOMONO Yuji
Department of Neurosurgery, Institute of Clinical Medicine, University of Tsukuba
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鶴嶋 英夫
Department Of Neurosurgery Ibaraki Seinan Medical Center Hospital
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Tomono Yuji
Department Of Neurological Surgery Institute Of Clinical Medicine The University Of Tsukuba Ibaragi
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Tomono Yuji
Department Of Neurosurgery Institute Of Clinical Medicine University Of Tsukuba
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Nose Tadao
Department Of Neurosurgery Ibaraki Seinan Medical Center Hospital
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