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英文誌(2004-)

Journal of Medical Ultrasonics

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1994 - Vol.21

Vol.21 No.08

Original Article(原著)

(0495 - 0500)

加振映像法による子宮病変のin vitroおよびin vivoにおける振動伝搬速度に関する検討

In vitro and in vivo Studies on the Propagation Velocity of Low Frequency Vibration in the Uterus Using Sonoelasticity Imaging System

小林 浩一1, 岡井 崇1, 武谷 雄二1, 藤沢 昭三2, 水川 晴夫2, 佐藤 拓宋3, 山越 芳樹4

Koichi KOBAYASHI1, Takashi OKAI1, Yuji TAKETANI1, Shozo FUJISAWA2, Haruo MIZUKAWA2, Takuso SATO3, Yoshiki YAMAKOSHI4

1東京大学産婦人科, 2稲田登戸病院, 3東京工業大学大学院, 4群馬大学電気電子工学科

1Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tokyo, 2Inada Noborito Hospital, 3Tokyo Institute of Technology, 4Gunma University

キーワード : Sonoelasticity imaging, Tissue characterization, Uterus, Uterine myoma, Adenomyosis

We measured the velocity of the propagation of low-frequency vibration in the uterus in vitro and in vivo, to evaluate a usefulness of the sonoelasticity imaging system developed by us for ultrasonic tissue characterization. In the in vitro study, the average velocity in the leiomyoma tissue was 1195±800 (mean±SD) cm/s. and in the adenomyosis 727±272 cm/s., which as significantly lower than in the leiomyomas (pin vivo study, the mean velocities in 27 cases of leiomyoma, five cases of adenomyosis, and five normal uteri were 1202±439, 908±322, and 526±159 cm/s., respectively. We therefore conclude that this system is useful for determining tissue characteristics in a clinical setting.