Abstract
Purpose
Our study addresses at the benefit of surveillance of probably benign lesions, detected outside mammographic screening, during a 3-year period.
Methods
28,588 women (mean age 57 ± 12 years) were examined. Two independent radiologists read the mammogram as well as the supplemented ultrasound (in case of breast density ACR type 3 and 4). In the case of discordance a third expert considered whether further examination was indicated or not.
Results
3,266 diagnostic procedures ended with BI-RADS 3 result and 2,512 (76.9 %) women underwent a follow-up examination. 295 (11.7 %) of them received assessment examination (imaging and/or biopsy) and 37 (12.5 %) (none of them palpable) ended with BI-RADS 6. This equals a tumor detection rate of 14.7/1,000. The ratio in situ:invasive was 7:10 (1:1.43) and the mean size was 11.1 ± 4.51 mm. In the total cohort, 536 carcinomas ended with BI-RADS 6 of them 17 % were in situ and 83 % were invasive breast cancers (ratio in situ:invasive 1:4.99), mean size was 13.8 ± 6.3 mm. The cancer detection ratio in these cases was 18.7/1,000.
Conclusions
The amount of detected tumors at follow-up of women with preceding BI-RADS 3 equates the associated potential of malignancy.
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Abbreviations
- BI-RADS:
-
Breast imaging reporting and data system
- ACR:
-
American College of Radiology
- RBCP:
-
Regional breast care project
- ADH:
-
Atypical ductal hyperplasia
- LIN:
-
Lobular intra-epithelial neoplasia
- QuaMaDi:
-
Local quality-assured breast diagnostics program
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Acknowledgments
First of all, we want to thank the patients for their participation in QuaMaDi program and for their compliance to the periodic surveillance examinations. This publication is a teamwork of 250 people (including doctors and medical staff, as well as the personnel of the Institute of Cancer Epidemiology of the University of Lübeck), who are involved in QuaMaDi project in Schleswig–Holstein. We also thank the participating health care insurance companies, the Ministry of Social Affairs and Health and the Deutsche Krebshilfe e. V., who have financed the program.
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Kapsimalakou, S., Waldmann, A., Katalinic, A. et al. Follow-up of probably benign lesions in non-screening breast diagnostics. Arch Gynecol Obstet 290, 543–551 (2014). https://doi.org/10.1007/s00404-014-3233-5
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DOI: https://doi.org/10.1007/s00404-014-3233-5