Affiliation: | (1) Department of Radiology, Shizuoka Childrens Hospital, Shizuoka 422-8660, Japan;(2) Department of Pathology, Shizuoka Childrens Hospital, Shizuoka 422-8660, Japan;(3) Department of Pediatric Surgery, Shizuoka Childrens Hospital, Shizuoka 422-8660, Japan;(4) Department of Radiology, Yaizu City Hospital, Yaizu, Japan;(5) Department of Obstetrics-Gynecology, Yaizu City Hospital, Yaizu, Japan |