Kie Shimizu^1,2, Tomohiro Namimoto³, Masataka Nakagawa^2,3, Masahumi Kidou³, Takeshi Nakaura³, Seitaro Oda³, Daisuke Utsunomiya³, Yasuyuki Yamashita³ (1.Department of Cntral Radiology,　Kumamoto University　Hospital, 2.Department of Diagnostic Radiology,Graduate School of Medical Sciences, Kumamoto University, 3.Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University)

Mayumi Takeuchi¹, Kenji Matsuzaki^1,2, Masafumi Harada¹ (1.Tokushima University, 2.Tokushima Bunri University)

Eito Kozawa¹, Iichirou Oosawa¹, Kaiji Inoue¹, Tomomi Katou², Masanori Yasuda², Kousei Hasegawa³, Tomoaki Ichikawa⁴, Mamoru Niitsu¹ (1.Saitama　Medical University, Department of radiology, 2.Saitama Medical University, International Medical Center (IMC), Diagnostic pathology, 3.Saitama Medical University, IMC, Gynecology and Oncology, 4.Saitama Medical University, IMC, Diagnostic Imaging)

Yuichi Kumagae¹, Yoshihiko Fukukura¹, Koji Takumi¹, Hiroto Hakamada¹, Takashi Iwanaga², Masashi Sasaki², Takuro Fujisaki², Tomoyuki Okuaki³, Takashi Yoshiura¹ (1.Department of Radiology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan, 2.Departments of Radiological Technology, Kagoshima University Hospital, Kagoshima, Japan, 3.Philips Electronics Japan, Tokyo, Japan.)

Akiko Takahata, Kouji Sakai, Mariko Goto, Sachimi Yamada, Kei Yamada (Kyoto Prefectural University of Medicine)

Hiroaki Saito, Tatsuya Kondo, Tsutomu Kanazawa (Division of Radiology, Department of Clinical Support, Niigata University Medical and Dental Hospital)

Shigeko Kuwashima (Dept. of Radiology, Dokkyo Medical University)

Yoko Ikoma, Takayuki Obata, Yasuhiko Tachibana, Tokuhiko Omatsu, Riwa Kishimoto, Hiroshi Tsuji (National Institute of Radiological Sciences)