Improving the early diagnosis of breast cancer can reduce mortality. With mammography as the main tool for screening early breast cancer, the characteristics of dense breast and young onset of disease in Chinese women lowers the efficiency. The aim of this prospective study was to compare which method, x-ray or ultrasound, is more appropriate for screening and early diagnosis of breast cancer in Chinese women.
Breast cancer has become the most common malignancy in women. Improving the early diagnosis of breast cancer can reduce mortality. Mammography is recommended as the main tool for screening and early diagnosis of breast cancer in the guidelines of European and American countries. However, the characteristics of dense breast and young onset of disease in Chinese women make the screening and early diagnosis strategies of Western countries, which are mainly based on mammography, unsuitable for Chinese women. The aim of this prospective study was to compare which method, x-ray or ultrasound, is more appropriate for screening and early diagnosis of breast cancer in Chinese women.
Study Type
OBSERVATIONAL
Enrollment
6,000
Patients screened by both mammography and ultrasound.
Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College
Beijing, Beijing Municipality, China
RECRUITINGscreening yield
The sensitivity, specificity, positive predictive value, and negative predictive value of the screening methods.
Time frame: 3 years
cost-effectiveness
The cost-effectiveness of each screening modality to detect one case of breast cancer
Time frame: 3 years
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