Introduction to Radiotherapy Techniques
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Questions and Answers

Which modality of radiation therapy involves scanning patients using beams combined with image guidance technology to target tumors accurately?

  • Tomotherapy (correct)
  • Cyberknife
  • VMAT
  • 3DCRT

    • What are the common toxicities associated with radiation therapy?

  • Chemo brain and hair loss
  • Anemia and fatigue
  • Early and late toxicities (correct)
  • Nausea and vomiting

    • Which type of radiation therapy is a very precise form of radiotherapy?

  • Brachytherapy
  • Stereotactic radiotherapy (correct)
  • 3DCRT
  • IMRT

    • What is the range of energies for photons used in external beam radiation therapy?

    <p>6, 9, 12, 16 MV</p> Signup and view all the answers

    What is the main goal of tomotherapy in radiation therapy?

    <p>Minimizing damage to nearby healthy tissue</p> Signup and view all the answers

    What is the primary goal of the simulation process in radiation therapy?

    <p>Determining the optimal patient position and beam angles</p> Signup and view all the answers

    Who is responsible for specifying all aspects of the simulation, including position, immobilization, and bolus?

    <p>The physician</p> Signup and view all the answers

    What is the main purpose of immobilization in radiation therapy?

    <p>To reduce intrafraction target motion</p> Signup and view all the answers

    What factor does the simulation process aim to maximize in order to improve treatment outcomes?

    <p>$\frac{\text{Target}}{\text{avoidance structure ratio}}$</p> Signup and view all the answers

    What is unique about the setup process during simulation in radiation therapy?

    <p>It is tailored to each patient's specific needs, tumor site, and stage</p> Signup and view all the answers

    What is the primary goal of the simulation process in radiation therapy?

    <p>Determining the optimal patient position and beam angles</p> Signup and view all the answers

    Who is responsible for specifying all aspects of the simulation, including position, immobilization, and bolus?

    <p>The physician</p> Signup and view all the answers

    What is the main purpose of immobilization in radiation therapy?

    <p>To minimize patient movement and ensure accurate treatment delivery</p> Signup and view all the answers

    What factor does the simulation process aim to maximize in order to improve treatment outcomes?

    <p>Target/avoidance structure ratio</p> Signup and view all the answers

    Which modality of radiation therapy involves scanning patients using beams combined with image guidance technology to target tumors accurately?

    <p>$n(x) = x^3 - 2x^2 + 5x - 4$ Tomotherapy</p> Signup and view all the answers

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