Kokubo, Takashi; Takatori, Yoshio; Okutsu, Ichiro; Takemura, Tamiko; Itai, Yuji
Departments of Radiology (T. Kokubo and Y. Itai) and Orthopaedic Surgery (Y. Takatori), University of Tokyo, and the Departments of Orthopaedic Surgery (T. Okutsu) and Pathology (T. Takemura), Japanese Red Cross Medical Center, Tokyo, Japan.