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目的探讨乳腺的超声分型与体质指数在乳腺病变筛查中的价值。方法 2 850例女性受检者,依据乳腺的声像图类型,将乳腺分为腺体型、腺纤维1型、腺纤维2型和脂肪型;1 726例计算体质指数(BMI)。比较乳腺4种超声分型与年龄、BMI及乳腺癌的相关性。结果乳腺4种分型随年龄变化的趋势不同,差异有统计学意义(2χ=1 498.761,P=0.000<0.01)。32例乳腺癌的标准化发生率在脂肪型中最高(1.016 2%),其次为腺纤维2型(0.617 4%)、腺纤维1型(0.504 7%);腺体型未检出乳腺癌。结论乳腺的超声分型与BMI关系密切,BMI值对乳腺恶性病变高危人群的评估与乳腺超声分型有同等重要的意义。
Objective To investigate the value of breast sonography and body mass index in the screening of breast lesions. Methods A total of 2 850 female subjects were divided into glandular type, glandular fiber type 1, glandular fiber type 2 and adipose type according to the type of breast sonography; and 1 726 subjects were enrolled in calculating body mass index (BMI). Compare the four types of breast ultrasound classification and age, BMI and breast cancer. Results There was a significant difference in the trend of the four types of breast lesions with age (2χ = 1 498.761, P = 0.000 <0.01). The normalized incidence of breast cancer in 32 cases was the highest (1.016 2%) in fat type, followed by glandular fiber type 2 (0.617 4%) and glandular fiber type 1 (0.504 7%). The glandular type did not detect breast cancer. Conclusion The ultrasound classification of breast is closely related to BMI. The assessment of BMI in patients with high-risk of malignant breast lesions is of equal significance as breast ultrasound.