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A teaching course on cranial irradiation planning for radiation oncology registrars showed poor adoption of recommended 10-mm margins. Post-course assessments revealed that only 6.9% of attendees implemented the guidelines for paediatric patients.

Area of Science:

  • Radiation Oncology
  • Paediatric Imaging
  • Medical Education

Background:

  • Paediatric teaching courses aim to improve radiation oncology registrar skills.
  • Cranial irradiation planning requires precise margin determination for optimal treatment.
  • Assessing the effectiveness of medical education is crucial for clinical practice improvement.

Purpose of the Study:

  • To evaluate the impact of a paediatric teaching course on cranial irradiation planning.
  • To assess current clinical practices in New Zealand regarding cranial irradiation margins.
  • To determine adherence to recommended 10-mm margins for the cribriform plate and middle cranial fossa floor.

Main Methods:

  • A lateral skull simulation film was distributed to radiation oncology registrars post-teaching.

Related Experiment Videos

  • The same radiograph was sent to radiation oncologists in New Zealand not attending the course.
  • Participants marked recommended margins on the film; adherence to 10-mm guidelines was quantified.

    • Main Results:

    • Only 6.9% of teaching course attendees applied the recommended 10-mm margins.
    • The study assessed adherence to specific cranial irradiation planning guidelines.
    • Dose profiles were analyzed to support the rationale for 10-mm margins.

    Conclusions:

    • The paediatric teaching course had limited immediate impact on cranial irradiation margin adherence.
    • Clinical practice in New Zealand showed low compliance with recommended planning margins.
    • Further strategies may be needed to ensure effective implementation of radiation oncology guidelines.