超声弹性成像面积比与Itoh评分法在乳腺病变诊断中的比较

Comparison of values of the area ratio and the Itoh scoring system with sonoelastography in the diagnosis of breast lesions

目的比较超声弹性成像中面积比及Itoh评分法对乳腺病变的诊断价值。方法经手术病理证实的48例患者,共56个病灶,进行超声弹性成像检查。获得弹性图像后,以Itoh评分法对病灶进行评分,并测量病灶在弹性图与灰阶图中的面积比值,1.1为判断良、恶性的临界点。以病理诊断为金标准,对两种方法的诊断价值进行χ2检验。结果 超声弹性成像面积比和Itoh评分法对乳腺病变的诊断准确率为87.5%和82.1%,两者联合诊断的准确率为92.8%。超声弹性成像中面积比和Itoh评分法对乳腺病变的诊断价值相似(P>0.05)。结论 超声弹性成像面积比有助于乳腺良、恶性病变的诊断。面积比和Itoh评分法联合可提高乳腺病变诊断的准确率。

Objective To compare values of the area ratio and the Itoh scoring system with sonoclastography in the diagnosis of breast lesions. Methods Forty-eight patients with 56 lesions were included in the study. The lesions were scored with the Itoh scoring system. By the area ratio measurement equipped with the ultrasonic machine, the area ratio of the lesion was calculated, with 1.1 being the cut-off point of benign and malignant lesions. According to pathological diagnosis, diagnostic performances of the 2 methods were evaluated with the Chi-square test. Results The accuracy was 87.5% for the area ratio, 82.1% for the Itoh scoring system, and 92.8% for combined imaging. The diagnostic performance of the area ratio was similar to the Itoh scoring system （ P 〉 0.05 ）. Conclusion Area ratio with sonoclastography is helpful in the differential diagnosis of breast lesions. When area ratio and the Itoh scoring system arc combined, the diagnostic accuracy of breast lesions is improved.