OncoPharm Breast Cancer In A Nutshell
Jan 12, 2023
Explore the intricate world of breast cancer with insights on incidence, mortality, and defining risk factors like genetics and estrogen exposure. Discover the various subtypes of breast cancer, including luminal and triple-negative, and the significance of screening. Learn about surgical options, the timing of chemotherapy, and who needs it. Delve into hormonal therapies, the chronic nature of hormone-positive disease, and recent advances like CDK4/6 inhibitors and immunotherapy. A comprehensive overview packed with essential information!
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Why This 'Nutshell' Episode Exists
- John Bazar created a prior 'Sarcoma in a Nutshell' episode and used listener metrics to decide to make this breast cancer overview.
- He intends this episode for learners who often miss the 'forest for the trees' in oncology education.
Tumor Markers Guide Prognosis And Treatment
- Clinically we stratify tumors by ER/PR status and HER2 overexpression, which drives prognosis and therapy.
- About 75% are hormone receptor positive HER2-negative; HER2-positive tumors used to be poor prognosis but improved with HER2-directed drugs like trastuzumab.
Screening Reduces Deaths But Benefit Is Modest
- Offer regular mammography screening because it reduces breast cancer deaths, though the absolute benefit is small.
- Expect to screen ~1,000 women to prevent one death, and use higher-resolution screening (MRI) for high-risk patients like BRCA carriers.