Toshiaki Taoka1, Masahiko Sakamoto1, Toshiaki Akashi1, Masaaki Hori2, Shigeki Aoki2, Yoshitaka Masutani3, Masayuki Morikawa4, Kuniaki Kiuchi4, Toshifumi Kishimoto4, Kimihiko Kichikawa1
1Radiology, Nara Medical University, Kashihara, Nara, Japan; 2Radiology, Juntendo University, Tokyo, Japan; 3Radiology, Tokyo University, Tokyo, Japan; 4Psychiatry, Nara Medical University, Kashihara, Nara, Japan