Louise M. Henderson PhD , Weiwei Zhu MS , Tracy Onega PhD , Karla Kerlikowske MD , Diana L. Miglioretti PhD , Erin J. Aiello Bowles MPH , Brian L. Sprague PhD , Donald L. Weaver MD , Anna N.A. Tosteson ScD , Christoph I. Lee MD, MS, MBA
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引用次数: 0
Abstract
Purpose
Our objective was to assess the transition from digital mammography (DM) to digital breast tomosynthesis (DBT) screening, the authors compared diagnostic workup type and frequency, workup pathways, and time to resolution of abnormal screening between DBT and DM.
Methods
This cohort study included screening examinations with an abnormal results from 2011 to 2020 at 107 facilities across six Breast Cancer Surveillance Consortium registries. Diagnostic workup included diagnostic DM, diagnostic DBT, ultrasound, MRI, and biopsy within 90 days of the abnormal result on screening mammography. Workup modalities and number of workup procedures were compared using differences in proportion and 95% confidence intervals (CIs). Time to diagnostic resolution between DBT and DM was compared using a log-rank test.
Results
Among 77,123 DBT and 197,589 abnormal DM screening examinations with abnormal results, the number of imaging modalities in the diagnostic pathway was similar. The first workup procedure was more often ultrasound after abnormal results on DBT compared with DM (21.1% versus 4.7%). Biopsy rates were higher for DBT versus DM (16.2% versus 14.0%; difference in proportions = 2.27; 95% CI, 1.97-2.58) with biopsies after DM versus DBT more likely surgical versus fine-needle aspiration or core (5.8% versus 3.2%; difference in proportions = 2.6; 95% CI, 2.19-3.01), resulting in a rate of excision biopsy per 1,000 screens with abnormal findings of 5.1 for DBT and 8.0 for DM. Time to diagnostic resolution was similar (median, 10 days).
Conclusions
This study revealed differences in the type of diagnostic workup pathways after abnormal results on screening DBT versus DM. Although the biopsy rate was higher after abnormal results on DBT, the biopsy type may be more invasive (surgical excision) after abnormal results on DM.
期刊介绍:
The official journal of the American College of Radiology, JACR informs its readers of timely, pertinent, and important topics affecting the practice of diagnostic radiologists, interventional radiologists, medical physicists, and radiation oncologists. In so doing, JACR improves their practices and helps optimize their role in the health care system. By providing a forum for informative, well-written articles on health policy, clinical practice, practice management, data science, and education, JACR engages readers in a dialogue that ultimately benefits patient care.