上原 正知1, Tosiaki Miyati1, Naoki Ohno1, Yuki Hiramatsu2, Riho Okamoto3, Mitsuhito Mase4, Satoshi Kobayashi1, Toshifumi Gabata3(1.金沢大学大学院 医薬保健学総合研究科, 2.Department of Radiology, Juntendo University Urayasu Hospital, 3.Department of Radiology, Kanazawa University Hospital, 4.Department of Neurosurgery and Restorative Neuroscience, Graduate School of Medical Science, Nagoya City University)