Dosimetry of Small Photon Fields

Clinical dosimetry with ionization chambers according to the international Code of Practice IAEA TRS 483

The course provides basic knowledge in a compact form about the new Code of Practice IAEA TRS 483 standard for the clinical dosimetry of small regular and irregular photon radiation fields, as they are used in stereotactic and fluence-modulated radiation therapy (IMRT), rotational radiation (e.g. VMAT, tomotherapy) and high-energy gamma and photon radiation.

The focus is on the application of the standard in clinical practice. Among other things, recommended measuring methods with reference ionization chambers and suitable calibrated detectors as well as important correction factors are presented. On the basis of real examples, typical problems in the dosimetry of small fields are shown and suitable solutions are discussed.

As such, it is very well suited for medical physicists who want to update and extend their skills and knowledge of practical dosimetry.

Deepen your knowledge about small field dosimetry.

Course contents

  • Small field dosimetry: International recommendations, suitable detectors and measurement procedures
  • Characteristics of FFF beams
  • Patient plan verification and machine QA with 2D detector arrays
  • Verification of VMAT plans using a 2D detector array in a rotational phantom
  • OCTAVIUS 4D: Algorithm and practical applications
  • Electrometer technology
  • End-to-end test for stereotactic devices (New RUBY phantom)
  • Paperless environment with Track-it

More Information

  • Date: 10 - 11 Oct 2019
  • Location: Hôpital André Vésale, Montigny-le-Tilleul, Belgium
  • Target Audience: Medical physicists, Dosimetrists and those who use PTW equipment
  • Course Language: English

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Course Instructors and Program

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