Official English issue of the “Journal of Medical Ultrasonics” start with the opening of the new century Hiroshi Natori Editorials Pages: 1 - 2
Tissue harmonic imaging in the diagnosis of small hepatocellular carcinoma: Usefulness for detecting posterior acoustic enhancement Keiji ToharaSeigo SakaguchiTsuneyoshi Yao Original Contribution Pages: 3 - 6
Three-dimensional ultrasonic volume measurement of the ovary in women with polycystic ovary syndrome Hongning XieKohkichi HataKohji Miyazaki Original Contribution Pages: 7 - 10
Drainage patterns of the cholecystic vein evaluated by power doppler imaging Keisuke OsakabeYuji HoriguchiHoroshi Nakano Translation of Original Contribution Pages: 11 - 17
Use of ultrasonography to measure liver size in children Kyoko YokotaYi WangKouichi Itoh Translation of Original Contribution Pages: 19 - 26
Three-dimensional sonographic features of discordant twins Chizu YamashiroToshihiro YanagiharaToshiyuki Hata Case Report Pages: 27 - 29
Ultrasonographic findings of portal tumor thrombus secondary to gastric cancer: Report of three cases Tomoko OnoNobuyuki TaniguchiKouichi Itoh Translation of Case Report Pages: 31 - 37