^○YOSUKE NOZAWA, KOICHI ISHITAKI, KANA OISHI, AKINORI HARADA, AKIYOSHI YAMASHITA, TETSUHISA YAMADA, JUNICHI NISHIMURA (The Department of Radiology, Japanese Red Cross Society Medical Center, Tokyo, Japan)

^○KENTO HATAKEYAMA¹, SATOSHI TAKAHASHI¹, SATOSHI KUMAGAI¹, AOI OOTAKA¹, YUUKI WADA¹, TOMOKI TOZAWA¹, MASAZUMI MATSUDA¹, MAKOTO SUGAWARA¹, MAKOTO KOGA¹, TAKAHIRO OOTANI¹, KOUICHI ISHIYAMA¹, MANABU HASHIMOTO¹, KAZUYUKI NUMAKURA² (1.The radiology department, Akita university Hospital, Akita, Japan, 2.The urology department, Akita university Hospital, Akita, Japan)

^○KOICHI MASUDA¹, Shinji Yamazoe¹, Hiroyuki Yagabe¹, Yuko Kobashi¹, Ken Nakagawa², Hidaka Kouno², Takuji Mogami¹ (1.Department of Radiology,Tokyo dental college Ichikawa general hospital, Chiba, Japan, 2.Department of Urology,Tokyo dental college Ichikawa general hospital, Chiba, Japan)

^○SATORU MORITA, TAKAHIRO YAMAMOTO, KUMI KAMOSHIDA, HIROSHI YAMAZAKI, KAZUFUMI SUZUKI, SHUJI SAKAI (Department of Diagnostic Imaging and Nuclear Medicine, Tokyo Women's Medical University Hospital)

^○SHINSUKE TAKENAGA¹, HIROKAZU ASHIDA², KAZUHIKO MORIKAWA¹, TOMOMI TERAYAMA¹, YOSUKE NOZAWA³ (1.Department of Radiology, The Jikei University Katsushika Medical Center, Tokyo, Japan, 2.Department of Radiology, The Jikei University School of Medicine, Tokyo, Japan, 3.Department of Radiology, Japanese Red Cross Medical Center, Tokyo, Japan)