#396 ‒ Breast cancer screening: understanding risk, deciding when to start and how often to screen, and choosing the right imaging strategy

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In this episode, Peter explores the critical topic of breast cancer screening, examining why thousands of women continue to die from breast cancer each year despite the availability of effective screening tools. He explains the strengths and limitations of current screening strategies, reviews the recommendations from major medical organizations, and discusses why screening guidance can often seem confusing or contradictory. Peter outlines a practical framework for understanding breast cancer risk and personalizing screening decisions, including when to begin screening, how frequently to screen, and which imaging modalities may be most appropriate based on an individual's risk profile. Throughout the episode, he emphasizes that while population-based guidelines provide an important foundation, optimizing outcomes requires a more personalized approach aimed at helping women make informed screening decisions that can improve the chances of early detection and successful treatment.

We discuss:

• Why women still die from breast cancer: the benefits of screening, the problem of under-screening, and the need for risk-based screening strategies [1:45];
• Current screening recommendations, why they differ between organizations, and the importance of personalized screening decisions [6:30];
• A framework for personalizing screening [8:45];
• Assessing baseline breast cancer risk: genetics, family history, breast density, lifestyle factors, and the role of risk calculators in personalized screening [9:30];
• Balancing cancer detection and false positives: how breast cancer risk influences screening intensity and imaging choices [17:45];
• Mammography as the foundation of breast cancer screening: detecting ductal carcinoma in situ (DCIS) and the advantages of 3D versus 2D mammography [21:00];
• MRI for high-risk women: the benefits of supplemental screening, abbreviated MRI, and the emerging role of contrast-enhanced mammography [23:00];
• The role of ultrasound: supplemental cancer detection, diagnostic evaluation, and limitations compared with mammography and MRI [26:00];
• Choosing the right breast cancer screening strategy: imaging modality selection, screening hierarchies, and the importance of imaging center quality [28:00];
• How often should you screen for breast cancer? [30:15];
• At what age should you start screening? [37:30];
• Breast cancer in younger women: aggressive tumor biology, BRCA-related risk, breast density, and individualized decisions about when to begin screening [41:45];
• Inflammatory breast cancer, the limitations of screening mammography for symptomatic disease, and the importance of promptly evaluating new breast symptoms in both women and men [44:45];
• From risk assessment to personalized screening: a practical framework for reducing breast cancer mortality through earlier and more effective detection [46:30]; and
• More.

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