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External Beam Radiotherapy

Semester 1

On successful completion of the course, students should be able to:
1. Use the equipment employed in Radiation Oncology for treatment.
2. Perform a range of external beam treatment techniques.
3. Develop operational procedures for external beam equipment.
4. Monitor and control sources of uncertainty in geometry and dose during patient treatment delivery.
5. Acquire patient data for treatment planning.

  • Acquisition of patient anatomical information
  • Positioning, Immobilization and patient mark up
  • 1D cases: direct set up, simulation, manual and computerized planning
  • Computerized Treatment Planning (TP)
  • Contours (manual or single slice) and hand planning
  • Establishing margins for PTV definition
  • 2D - 3D treatment planning cases (with beam modification devices)
  • Treatment delivery
Learning Objectives: 

Clinical training course designed to expose the student to the most common modalities utilized in modern external beam radiotherapy. Students will be actively involved in patient immobilization, positioning and image acquisition. Students will also engage in treatment planning and treatment delivery. In clinical radiotherapy it is important to know the dose received by a patient irradiated
by one or more beams. To find the best solution for a clinical problem, physicists must possess the requisite skills to calculate in an object representative of the patient the absolute and the distribution of the absorbed dose due to irradiation. The use of modern treatment planning systems to estimate the dose delivered to a target for both simple and advanced treatment techniques is now commonplace in radiotherapy. The ability to use such systems is a primary expectation of the medical physicist

MDPH6260, MDPH6270
Course Code: 
4 Credits
Level 2
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