Core IM | Internal Medicine Podcast

#126 Radiation Oncology Part 1: 5 Pearls Segment

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May 24, 2023
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INSIGHT

Radiation Therapy Basics

  • Radiation therapy uses the same photons as x-rays and CT scans, just at higher energy levels.
  • These photons create free radicals, causing DNA damage that leads to cancer cell death.
INSIGHT

Radiation's Selective Effect

  • Healthy cells possess intact DNA repair pathways, enabling recovery from radiation damage.
  • Cancer cells often lack these repair mechanisms, making them vulnerable to radiation.
INSIGHT

Radiation's Role in Cancer Treatment

  • Radiation therapy has various roles in cancer treatment.
  • It can be neoadjuvant (before surgery), adjuvant (after surgery), or definitive (to cure).
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