An Innovative Ultrasound Strain Elastographic Method for the Differential Diagnosis of Breast Tumors |
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Authors: | Tian Yang Jianmei Niu Yuanyuan Dang Yun Zhou Yunyun Cao Min Zeng Mingli Lv |
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Affiliation: | Ultrasound Department, International Peace Maternity & Child Health Hospital of China Welfare Institute, Shanghai, China |
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Abstract: | In this monocentric perspective study examining 64 lesions (19 benign and 45 malignant), we tested an innovative ultrasound elastographic method for diagnosing breast tumors. A new region of control and a new index designating the strain ratio (SR) were used. A traditional ultrasound elastographic method was used as the control. The results indicated that the SR ratios of the benign and malignant groups were 0.25 ± 0.22 and 1.10 ± 1.53, respectively, and this difference was statistically significant. The area under the receiver operating characteristic curve of the SR ratio method was 0.95, the cutoff point was 0.37 and the sensitivity and specificity were 95.56% and 94.74%, respectively. The two receiver operating characteristic curves of the traditional method and the SR of the proposed method were significantly different, at a p value of 0.02. Compared with that of the traditional method, the SR obtained with the new method had a larger area under the receiver operating characteristic curve, sensitivity, specificity and objectivity. |
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Keywords: | Breast mass Ultrasound strain elastography Strain ratio |
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