ObjectiveTo explore the application value of high frequency ultrasound in the diagnosis of benign and malignant breast diseases. MethodsA total of 96 cases of patients with breast diseases confirmed by pathology were analyzed retrospectively, including 57 cases of benign breast diseases(benign group) and 39 cases of malignant breast diseases(malignant group). The characteristics of microcalcifications were compared between the two groups. ResultsIn the benign group, the shape of microcalcifications were mainly round or oval (75.44%), and in the malignant group were dominated by irregular shape (84.62%), the difference between the shape of microcalcifications were statistically significant (P＜0.05). The clearness rate of boundary of microcalcifications in benign group was 87.72%, significantly higher than 17.95% in the malignant group, there was statistically significant (P＜0.05); Ultrasound showed that internal calcification accounted for 42.11% in the benign group which was lower than 82.05% in the malignant group, there was statistically significant(P＜0.05). The proportion of non-calcification in the benign group (52.63%) was significantly higher than that in the malignant group (10.26%),there was statistically significant (P＜0.05). ConclusionCompared with the malignant breast diseases, the microcalcifications in benign breast diseases are round or oval, with clear boundaries and homogeneous internal echo. High frequency ultrasound can effectively detect microcalcifications in the breast, which has important clinical value in the diagnosis of breast cancer.

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