Mode of detection matters: Differences in screen-detected versus symptomatic breast cancers.

Objective: Although extensive analyses evaluating screening mammography for breast cancer have been published, some utilized databases do not distinguish between modes of detection, which confounds the conclusions made about the impact of screening mammography.

Methods: A retrospective cohort study of women at our institution with pathologically-proven breast cancer from January 2015 to April 2018 was conducted. Subjects were categorized by their mode of diagnosis: screening or non-screening.

Breast cancer in women under age 40: A decade of trend analysis at a single institution.

Background: Women should be evaluated for breast cancer risk by age 30 to assess for screening need. Recent trends in breast cancer in this population may further inform recommendations.

Objective: The aim of this study was to analyze trends over time in the rate of breast cancer, tumor characteristics and treatment in women under age 40.