^○YUGO IMAI¹, Norihisa Nitta¹, Shobu Watanabe¹, Akitoshi Inoue¹, Kai Takaki¹, Akinaga Sonoda¹, Shinichi Ohta¹, Kiyosumi Maeda^1,2, Kenichi Mukaisyo³, Shigeru Yao⁴, Kasumi Sanui⁴ (1.Department of Radiology, Shiga University of Medical Science, Otsu, Japan, 2.Department of Radiology, Kusatsu General Hospital, Kusatsu, japan, 3.Division of Molecular and Diagnostic Pathology, Shiga University of Medical Science, Otsu, Japan, 4.Department of Chemical Engineering, Fukuoka University, Fukuoka, Japan)

^○TAKESHI TANIGUCHI¹, Yoshito Takeuchi², Osamu Sato¹ (1.Department of Radiology, North Medical Center, Kyoto Prefectural University of Medicine, Kyoto, Japan, 2.Department of Radiology, Fukuchiyama City Hospital, Kyoto, Japan)

^○HIROKAZU ASHIDA, YO MATSUI, YOHEI MUNETOMO, YOHEI OHKI, RUI KANO, JUN HASUMI, HIROYA OJIRI (Radiology department, The Jikei University of Medicine, Tokyo, Japan)

^○YUKIMASA SAKAI¹, TOSHIO KAMIMOU³, KIMIHIKO SATO¹, MINEYOSHI NANGO¹, MASAHIRO OKAZAKI², RYO OGINO², MARIKO SAKASHITA² (1.IVR Center, Osaka Minami Medical Center, Osaka, Japan, 2.Deprtment of Radiology Osaka Minami Medical Center, 3.Tsukazaki Hospital, Department of Radiology)

^○SHUNSUKE KAMEI, TOMOHIRO MATSUMOTO, KOUSUKE TOMITA, KAZUNOBU HASHIDA, SATOSHI SUDA, SHOUTA YAMAMOTO, YUKI NATSUYAMA, TERUMITSU HASEBE (Department of Radiology, Tokai University Hachioji Hospital, Tokyo, Japan)