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Journal of Medical Ultrasonics

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1988 - Vol.15

Vol.15 No.01

Technical Note(技術報告)

(0061 - 0066)

7.5 MHz経直腸的超音波断層法用探触子の使用経験

Trial of 7.5 MHz Transducer to Transrectal Sonography

大西 克実1, 渡辺 真1, 川瀬 義夫1, 速水 久嗣1, 宮下 浩明1, 板倉 康啓1, 大江 宏1, 渡辺 泱1, 入江 喬介2

Katsumi OHNISHI1, Makoto WATANABE1, Yoshio KAWASE1, Hisashi HAYAMI1, Hiroaki MIYASHITA1, Yasuhiro ITAKURA1, Hiroshi OHE1, Hiroki WATANABE1, Takasuke IRIE2

1京都府立医科大学泌尿器科, 2アロカ株式会社

1Department of Urology, Kyoto Prefectural University of Medicine, 2Aloka Company

キーワード : Transducer, 7.5 MHz, 5 MHz, Transrectal sonography

An application of a transducer in 7.5 MHz to transrectal sonography (TRS) was evaluated in 300 subjects in our department from May, 1987. The picture quality of the sonograms using the transducer in 7.5 MHz was compared with that using 5 MHz in 29 subjects. An obvious improvement of the quality was observed in the former. There is a possibility that TRS equipped with the transducer in 7.5 MHz will be adopted widely instead of that in lower frequency in the near future.