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英文誌(2004-)

Journal of Medical Ultrasonics

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1983 - Vol.10

Vol.10 No.02

State of the Art(特集)

(0129 - 0133)

周波数の違いによる腫瘍辺縁像とくに反射暈の現われ方について-早期乳癌診断のために-

Enhancement and Significance of "Halo" in the Echogram of Early Breast Cancer

竹原 靖明1, 久田 祐一1, 松川 正男2

Yasuaki TAKEHARA1, Yuichi HISADA1, Masao MATSUKAWA2

1関東中央病院, 2中頭病院

1Kanto Central Hospital, 2Nakagami Hospital

キーワード :

The appearance of "Halo" of breast cancer was examined with new polymer transducers. In the case of using 10 MHz transducer, "Halo" was observed in 3 of 4 cases with breast cancer whose diameter were within 1 cm. The reason for this phenomenon is considered that the shorter the wavelength, the more of scattering around the surface of the breast cancer.
Therefore, 10 MHz transducer will be useful for differential diagnosis of the breast tumor less than 1 cm in diameter.