^○KENTARO YAMADA¹, Kosuke Kumagai^1,2, Masahiro Horikawa¹, Uchida Barry¹, Farsad Khashayar¹ (1.Dotter Department of Interventional Radiology, Oregon Health and Science University, Oregon, USA, 2.Department of Neurosurgery, National Defense Medical College, Saitama, Japan)

^○KENICHIRO OKUMURA¹, Junichi Matsumoto¹, Kanako Terada¹, Takumi Sugiura¹, Akira Yokka¹, Norihide Yoneda¹, Miho Okuda¹, Takahiro Ogi¹, Wartaru Koda¹, Satoshi Kobayashi¹, Toshifumi Gabata¹, Yasunori Iwata², Takashi Wada² (1.The Department of Radiology, Kanazawa University School of Medicine, 2.The Department of Nephrology, Kanazawa University School of Medicine)

^○TOMOAKI YAMANISHI, TAKUJI YAMAGAMI, HIROKI MINAMIGUCHI, RIKA YOSHIMATSU, KENJI KAJIWARA (The Department of radiology, University of Kochi medical school ,Kochi , Japan)

^○JIRO TERADA (Port Island Hospital, Kobe, Japan)