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Galati F, Marzocca F, Bassetti E, et al. Added Value of Digital Breast Tomosynthesis Combined with Digital Mammography According to Reader Agreement: Changes in BI-RADS Rate and Follow-Up Management. Breast Care (Basel). 2017;12(4):218-222doi: 10.1159/000477537.
Galati, F., Marzocca, F., Bassetti, E., Luciani, M. L., Tan, S., Catalano, C., & Pediconi, F. (2017). Added Value of Digital Breast Tomosynthesis Combined with Digital Mammography According to Reader Agreement: Changes in BI-RADS Rate and Follow-Up Management. Breast care (Basel, Switzerland), 12(4), 218-222. https://doi.org/10.1159/000477537
Galati, Francesca, et al. "Added Value of Digital Breast Tomosynthesis Combined with Digital Mammography According to Reader Agreement: Changes in BI-RADS Rate and Follow-Up Management." Breast care (Basel, Switzerland) vol. 12,4 (2017): 218-222. doi: https://doi.org/10.1159/000477537
Galati F, Marzocca F, Bassetti E, Luciani ML, Tan S, Catalano C, Pediconi F. Added Value of Digital Breast Tomosynthesis Combined with Digital Mammography According to Reader Agreement: Changes in BI-RADS Rate and Follow-Up Management. Breast Care (Basel). 2017 Sep;12(4):218-222. doi: 10.1159/000477537. Epub 2017 Aug 29. PMID: 29070984; PMCID: PMC5649241.
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Breast Care (Basel). 2017 Sep;12(4):218-222. doi: 10.1159/000477537. Epub 2017 Aug 29.

Added Value of Digital Breast Tomosynthesis Combined with Digital Mammography According to Reader Agreement: Changes in BI-RADS Rate and Follow-Up Management.

Breast care (Basel, Switzerland)

Francesca Galati, Flaminia Marzocca, Erica Bassetti, Maria L Luciani, Sharon Tan, Carlo Catalano, Federica Pediconi

Affiliations

  1. Department of Radiological, Oncological and Pathological Sciences - University of Rome 'Sapienza', Rome, Italy.
  2. Tengku Ampuan Rahimah Hospital, Klang, Malaysia.

PMID: 29070984 PMCID: PMC5649241 DOI: 10.1159/000477537

Abstract

BACKGROUND: The aim of this study was to evaluate the added value of digital breast tomosynthesis (DBT) when combined with digital mammography (DM) in BI-RADS assessment and follow-up management.

METHODS: From February 2014 to January 2015, 214 patients underwent DM and DBT, acquired with a Siemens Mammomat Inspiration unit. 2 expert readers independently reviewed the studies in 2 steps: DM and DM+DBT, according to BI-RADS rate. Patients with BI-RADS 0, 3, 4, and 5 were recalled for work-up. Inter-reader agreement for BI-RADS rate and work-up rate were evaluated using Cohen's kappa.

RESULTS: Inter-reader agreement (κ value) for BI-RADS classification was 0.58 for DM and 0.8 for DM+DBT. DM+DBT increased the number of BI-RADS 1, 2, 4, 5 and reduced the number of BI-RADS 0 and 3 for both readers compared to DM alone. Regarding work-up rate agreement, κ was poor for DM and substantial (0.7) for DM+DBT. DM+DBT also reduced the work-up rate for both Reader 1 and Reader 2.

CONCLUSION: DM+DBT increased the number of negative and benign cases (BI-RADS 1 and 2) and suspicious and malignant cases (BI-RADS 4 and 5), while it reduced the number of BI-RADS 0 and 3. DM+DBT also improved inter-reader agreement and reduced the overall recall for additional imaging or short-interval follow-up.

Keywords: BI-RADS classification; Digital mammography; Tomosynthesis

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