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目的：探讨高频彩超诊断乳腺肿块的临床应用价值。方法：乳腺肿块患者147例行高频彩超检查，根据检查结果分为两组，乳腺肿块为良性患者89例为对照组，乳腺肿块为恶性患者58例为观察组。结果：观察组多为形态不规则、内部回声不均匀、有微小钙化、边界不清晰、无包膜、有腋窝淋巴结，对照组多为形态规则、内部回声均匀、无微小钙化、边界清晰、有包膜、无腋窝淋巴结。观察组血流Adler分级明显差于对照组，观察组动脉血流阻力指数明显高于对照组，（P＜0.05）。结论：高频彩超是诊断乳腺肿块的一种有效方法。“,”Objective To investigate clinical application value of high frequency ultrasound in diagnosis of breast masses.Methods 147 patients with breast masses underwent high frequency ultrasound. According to results of inspection, patients were divided into two groups. 89 patients were benign breast masses as control group.58 patients were malignant breast masses as observation group.ResultsBreast masses in observation group were irregular shape, uneven internal echo, microcalcification, noclear boundary, no capsule, axillary lymph node.Breast masses in control group were regular shape, even internal echo, no microcalcification, clear boundary, capsule, no axillary lymph node.Aspect ratio,arterial blood resistance index in observation group were significantly higher than control group. Adler blood flow grading in observation group was significantly badder than control group. (P<0.05).Conclusion High frequency ultrasound is an effective method in diagnosis of breast masses.