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目的探讨微小乳腺癌的超声征象,提高术前诊断水平。方法对132例最大直径≤10 mm的乳腺结节进行研究,所有患者二维及彩色多普勒超声扫查并经手术证实。结果微小乳腺癌与良性肿块在边界,后方回声情况,纵横比,有无钙化灶等四个方面均有统计学差异(P<0.05)。58例微小乳腺癌中48例具有血流特征,31例伴有同侧腋窝淋巴结转移。结论彩色多普勒超声对微小乳腺癌是一种有效的诊断方法 。
Objective To investigate the ultrasound features of micro breast cancer and improve the preoperative diagnosis. Methods A total of 132 breast nodules with a maximum diameter of ≤10 mm were studied. All patients were scanned by two-dimensional and color Doppler ultrasonography and confirmed by surgery. Results Significant differences were found in the microscopic breast cancer and benign masses in the border, posterior echo, aspect ratio, and calcifications (P<0.05). Of 48 cases of microcarcinoma, 48 cases had blood flow characteristics, and 31 cases had ipsilateral axillary lymph node metastasis. Conclusion Color Doppler ultrasound is an effective diagnostic method for micro breast cancer.