Mayo H Fujii1, Sally D Herschorn2,3, Michelle Sowden1,3, Elise L Hotaling2,3, Pamela M Vacek3,4, Donald L Weaver3,5, Brian L Sprague1,2,3. 1. 1 Department of Surgery, University of Vermont, 1 S Prospect St, UHC Rm 4425, Burlington, VT 05401. 2. 2 Department of Radiology, University of Vermont, Burlington, VT. 3. 3 University of Vermont Cancer Center, University of Vermont, Burlington, VT. 4. 4 Department of Biostatistics, University of Vermont, Burlington, VT. 5. 5 Department of Pathology, University of Vermont, Burlington, VT.
Abstract
OBJECTIVE: The objective of our study was to determine whether detection rates of specific benign and malignant diagnoses differ for breast cancer screening with digital breast tomosynthesis (DBT) versus full-field digital mammography (FFDM) alone. MATERIALS AND METHODS: We analyzed observational data from the Vermont Breast Cancer Surveillance System, including 86,349 DBT screening examinations and 97,378 FFDM screening examinations performed at eight radiology facilities in Vermont that adopted DBT screening during 2012-2016. We determined the most severe diagnosis made within 6 months after positive screening examinations. Multivariable-adjusted logistic regression was used to compare detection rates for specific diagnoses on DBT versus FFDM. RESULTS: Compared with FFDM, DBT had a lower recall rate (adjusted odds ratio [OR], 0.81; 95% CI, 0.77-0.85) but comparable biopsy rate (OR = 1.05; 95% CI, 0.93-1.17), benign biopsy rate (OR = 1.12; 95% CI, 0.97-1.29), and cancer detection rate (OR = 0.94; 95% CI, 0.78-1.14). Among benign diagnoses, DBT and FFDM had comparable detection rates for nonproliferative lesions (OR = 1.19; 95% CI, 0.92-1.53), fibroepithelial proliferations (OR = 1.24; 95% CI, 0.85-1.81), proliferative lesions without atypia (OR = 1.13; 95% CI, 0.90-1.42), atypical lesions (OR = 0.77; 95% CI, 0.43-1.38), and lobular carcinoma in situ (LCIS) (OR = 0.92; 95% CI, 0.53-1.61). Among malignant diagnoses, DBT and FFDM had comparable detection rates for ductal carcinoma in situ (OR = 1.05; 95% CI, 0.70-1.57) and invasive breast cancer (OR = 0.92; 95% CI, 0.74-1.13), with no statistically significant differences in detection of invasive ductal carcinoma (OR = 0.83; 95% CI, 0.66-1.06), invasive lobular carcinoma (OR = 1.11; 95% CI, 0.59-2.07), or invasive mixed ductal-lobular carcinoma (OR = 1.49; 95% CI, 0.65-3.39). CONCLUSION: Compared with FFDM, breast cancer screening with DBT has a lower recall rate while detecting a similar distribution of benign and malignant diagnoses.
OBJECTIVE: The objective of our study was to determine whether detection rates of specific benign and malignant diagnoses differ for breast cancer screening with digital breast tomosynthesis (DBT) versus full-field digital mammography (FFDM) alone. MATERIALS AND METHODS: We analyzed observational data from the Vermont Breast Cancer Surveillance System, including 86,349 DBT screening examinations and 97,378 FFDM screening examinations performed at eight radiology facilities in Vermont that adopted DBT screening during 2012-2016. We determined the most severe diagnosis made within 6 months after positive screening examinations. Multivariable-adjusted logistic regression was used to compare detection rates for specific diagnoses on DBT versus FFDM. RESULTS: Compared with FFDM, DBT had a lower recall rate (adjusted odds ratio [OR], 0.81; 95% CI, 0.77-0.85) but comparable biopsy rate (OR = 1.05; 95% CI, 0.93-1.17), benign biopsy rate (OR = 1.12; 95% CI, 0.97-1.29), and cancer detection rate (OR = 0.94; 95% CI, 0.78-1.14). Among benign diagnoses, DBT and FFDM had comparable detection rates for nonproliferative lesions (OR = 1.19; 95% CI, 0.92-1.53), fibroepithelial proliferations (OR = 1.24; 95% CI, 0.85-1.81), proliferative lesions without atypia (OR = 1.13; 95% CI, 0.90-1.42), atypical lesions (OR = 0.77; 95% CI, 0.43-1.38), and lobular carcinoma in situ (LCIS) (OR = 0.92; 95% CI, 0.53-1.61). Among malignant diagnoses, DBT and FFDM had comparable detection rates for ductal carcinoma in situ (OR = 1.05; 95% CI, 0.70-1.57) and invasive breast cancer (OR = 0.92; 95% CI, 0.74-1.13), with no statistically significant differences in detection of invasive ductal carcinoma (OR = 0.83; 95% CI, 0.66-1.06), invasive lobular carcinoma (OR = 1.11; 95% CI, 0.59-2.07), or invasive mixed ductal-lobular carcinoma (OR = 1.49; 95% CI, 0.65-3.39). CONCLUSION: Compared with FFDM, breast cancer screening with DBT has a lower recall rate while detecting a similar distribution of benign and malignant diagnoses.
Entities:
Keywords:
breast cancer screening; digital breast tomosynthesis; mammography
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