Journal
ULTRASOUND IN MEDICINE AND BIOLOGY
Volume 42, Issue 11, Pages 2616-2621Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ultrasmedbio.2016.07.012
Keywords
Breast tissues; Breast cancer; Sonogram; Ultrasound; Ultrasonographic classification; Ultrasonographic parenchyma; Breast parenchymal patterns; Density; Glandular ductal; High-risk population
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The aim of this study was to identify potential links between ultrasonographic breast parenchymal patterns and the risk of breast cancer in Chinese women. The population of Chinese women at high risk for breast cancer was explored using the ultrasonographic classification. Ultrasonographic parenchymal patterns were classified into four types: heterogeneous type, ductal type, mixed type and fibrous type. A total of 5879 Chinese women underwent breast ultrasound examination from May 2010 to April 2014. Of the 5879 women, 256 women had pathology-confirmed breast cancer. Among the remaining 5623 women, 512 randomly selected, age-matched women were recruited into the present study. The correlation between ultrasonographic type and breast cancer revealed that the odds ratio (OR) was highest for the heterogeneous type (odds ratio = 4.11, 95% confidence interval: 2.01-8.41, p < 0.001), followed by the fibrous type (odds ratio = 2.05, 95% confidence interval: 1.51-2.78, p < 0.001). The odds ratios of the ductal and mixed types were both less than 1 (p < 0.05). This study indicates that the heterogeneous and fibrous types in the ultrasonographic classification are associated with an increased risk of breast cancer and, therefore, can be used as a marker of breast cancer risk in the female population of China. (C) 2016 World Federation for Ultrasound in Medicine & Biology.
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