Spatial Restriction within Intracranial Epidermoid Cysts Observed Using Short Diffusion-time Diffusion-weighted Imaging
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- Andica Christina
- Department of Radiology, Juntendo University Graduate School of Medicine
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- Hori Masaaki
- Department of Radiology, Juntendo University Graduate School of Medicine
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- Kamiya Kouhei
- Department of Radiology, Graduate School of Medicine, The University of Tokyo
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- Koshino Saori
- Department of Radiology, Juntendo University Graduate School of Medicine Department of Radiology, Graduate School of Medicine, The University of Tokyo
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- Hagiwara Akifumi
- Department of Radiology, Juntendo University Graduate School of Medicine Department of Radiology, Graduate School of Medicine, The University of Tokyo
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- Kamagata Koji
- Department of Radiology, Juntendo University Graduate School of Medicine
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- Fukunaga Issei
- Department of Radiology, Juntendo University Graduate School of Medicine
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- Hamasaki Nozomi
- Department of Radiology, Juntendo University Graduate School of Medicine
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- Suzuki Michimasa
- Department of Radiology, Juntendo University Graduate School of Medicine
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- Feiweier Thorsten
- Siemens Healthcare GmbH
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- Murata Katsutoshi
- Siemens Healthcare Japan KK
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- Arakawa Atsushi
- Department of Human Pathology, Juntendo University School of Medicine
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- Kondo Akihide
- Department of Neurosurgery, Juntendo University School of Medicine
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- Akiyama Osamu
- Department of Neurosurgery, Juntendo University School of Medicine
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- Aoki Shigeki
- Department of Radiology, Juntendo University Graduate School of Medicine
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抄録
<p>We report two cases of pathologically proven intracranial epidermoid cysts. Both cases were scanned with diffusion-weighted imaging using pulsed gradient spin-echo (PGSE) and oscillating gradient spin-echo (OGSE; 50 Hz) prototype sequences with diffusion times of 47.3 ms and 8.5 ms, respectively. The apparent diffusion coefficient measured by OGSE was higher than that measured by PGSE, indicating the spatial restriction of water diffusion in the laminated keratin layers within the cyst as demonstrated by histopathology.</p>
収録刊行物
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- Magnetic Resonance in Medical Sciences
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Magnetic Resonance in Medical Sciences 17 (3), 269-272, 2018
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