^○Yasuyuki Yamahana, Hiroshi Miura, Tatsuya Hirota, Shunsuke Asai, Yusuke Tsuji, Yoshitomo Nakai, Yosuke Maehara, Naoki Noguchi, Toshiyuki Okamoto, Masakazu Nishimoto, Kei Yamada (Department of Radiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan)

^○Yasukage Takami¹, Takayuki Sanomura¹, Ayumi Ihara¹, Fujimoto Kengo¹, Katsuya Mitamura¹, Kenichi Tanaka¹, Takashi Norikane¹, Naruhide Kimura¹, Tetsukuni Kogure², Yoshihiro Nishiyama¹ (1.Department of Radiology, Faculty of Medicine, Kagawa University, Kagawa, Japan, 2.Department of Plastic surgery, Faculty of Medicine, Kagawa University, Kagawa, Japan)

^○Yohei Munetomo, Yasuaki Hasegawa, Syunsuke Kisaki, Rui Kano, Yosuke Nozawa, Hirokazu Ashida (Department of Radiology, The JIKEI University School of Medicine)

^○Tomoko Kugiyama, Masamichi Koganemaru, Shuichi Tanoue, Asako Kuhara, Yasumoto Shinjyo, Norimitsu Tanaka, Toshi Abe (Radiology, Kurume University School of Medicine, Kurume, Japan)