Carcinoma of the Breast

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  • 乳房撮影による乳癌診断 (1056例の分析)
  • ニュウボウ サツエイ ニヨル ニュウガン シンダン 1056レイ ノ ブンセキ
  • --Retrospective Analysis of 1056 Mammograms--

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Abstract

From March 1974 to September 1976, Mammography were performed in one thousand and fifty six cases at Department of Radiology, Juntendo University Hospital. Two hundred and five cases of them were studied pathohistologically and ninety-eight cases were proved to be carcinoma of the breast. Through retrospective analysis, the following results were obtained. 1) 79.6 % of the breast cancer were diagnosed correctly by mammography, whereas, 74.4% by ultrasonic examination. 2) The incidence of signs indicating carcinoma of the breast was tubulated. The incidence of the increased density, irregular border and minute calcifications were found in 76%, 56% and 18.1%, respectively in carcinoma. 3) Most of the false negative cases were atypically circumscribed carcinoma or highly invasive duct carcinoma which showed a faint mass density without calcifications. On the other hand, circumscribed benign mass lesions were occassionally misinterpreted as carcinoma.

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