^○MIKA KAMIYA¹, HISAYA HIRAMATSU², SHUSUKE MATSUI², MAKOTO HORIKAWA², TOMOYA OISHI², TAKEAKI TITSUKA³, RYOUICHI SUZUKI², NAOTO KIRODA³ (1.Department of Diagnostic and Interventional Radiology, Yaizu City Hospital, Yaizu, Japan, 2.Department of Neurosurgery, Hamamatsu University School of Medicine, Hamamatsu, Japan, 3.Department of Neurosurgery, Seirei Mikatabara General Hospital)

^○TAKUJI MARUYAMA¹, Shuji Kariya¹, Miyuki Nakatani¹, Yutaka Ueno¹, Yasuyuki Ono¹, Atsushi Komemushi², Noboru Tanigawa¹ (1.Department of Radiology, Kansai medical University, Osaka, Japan, 2.Department of Radiology, Kansai medical University medical cemter)

^○RUI SATO¹, TAKESHI ARAMAKI¹, KENJI IWAI¹, HIDENARI HONGYO¹, TAKAHIRO ITO², ATSUSHI URIKURA², MICHIHISA MORIGUCHI³, KOIKU ASAKURA², MASAHIRO ENDO² (1.The Division of Interventional Radiology, Shizuoka Cancer Center, Shizuoka, Japan, 2.The Division of Diagnostic Radiology, Shizuoka Cancer Center, Shizuoka, Japan, 3.The Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Kyoto, Japan)

^○YUKI WADA^1,2, Aoi Otaka², Takaharu Miyauchi², Manabu Hashimoto¹, Naoko Fukui³, Hiromoto Kiumura³ (1.Department of Radiology, Akita University Graduate School of Medicine, Akita, Japan, 2.Department of Diagnostic Radiology, Akita Red Cross Hospital, Akita, Japan, 3.Department of Otolaryngology, Akita Red Cross Hospital, Akita, Japan)