1. Department of Diagnostic Imaging and Nuclear Medicine; Graduate School of Medicine; Kyoto University; Kyoto Japan
2. Department of Diagnostic Pathology; Graduate School of Medicine; Kyoto University; Kyoto Japan
3. Department of Radiology; Kitano Hospital; Osaka Japan
4. Department of Gynecology and Obstetrics; Graduate School of Medicine; Kyoto University; Kyoto Japan
5. Department of Obstetrics and Gynecology; Kitano Hospital; Osaka Japan