Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Magna-field irradiation: physical considerations

J Van Dyk1

  • 1Ontario Cancer Institute, Princess Margaret Hospital, Toronto, Ontario, Canada.

International Journal of Radiation Oncology, Biology, Physics
|December 1, 1983
PubMed
Summary

Large radiation fields in radiotherapy present significant dosimetric challenges. This review examines methods for producing these fields, focusing on dose accuracy and lung protection strategies for improved patient outcomes.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Developing Innovative, Robust and Affordable Medical Linear Accelerators for Challenging Environments.

Clinical oncology (Royal College of Radiologists (Great Britain))·2019
Same author

Sci-Fri PM: Delivery - 11: Accuracy considerations in modern radiation oncology: An update.

Medical physics·2017
Same author

MO-D-BRB-01: Accuracy Requirements and Uncertainties in Radiation Therapy: A Preview of an Upcoming IAEA Report.

Medical physics·2017
Same author

Sci-Thurs PM: Delivery-07: Evaluation of prospects to use daily megavoltage CT studies for adaptive radiotherapy.

Medical physics·2017
Same author

Poster - Thurs Eve-23: Effect of lung density and geometry variation on inhomogeneity correction algorithms: A Monte Carlo dosimetry evaluation.

Medical physics·2017
Same author

Poster - Thurs Eve-41: Imaging and radiation delivery in helical tomotherapy: Phantom study of a moving target.

Medical physics·2017

Area of Science:

  • Medical Physics
  • Radiation Oncology
  • Radiotherapy Dosimetry

Background:

  • Magna-field radiotherapy, including total body, half body, and total nodal irradiation, is gaining prominence.
  • These techniques present more pronounced dosimetric challenges compared to conventional field sizes.

Purpose of the Study:

  • To review the physical considerations of magna-field irradiation.
  • To outline methods for producing large radiation fields and review basic beam dosimetry.
  • To consider factors affecting dose variation and address lung-specific challenges.

Main Methods:

  • Review of physical principles and dosimetry for large radiation fields.
  • Analysis of factors contributing to dose variation within patients.
  • Examination of dose determination and reduction techniques for lung irradiation.

Main Results:

  • Several methods for producing large radiation fields are presented.
  • Factors influencing dose variation in magna-field radiotherapy are identified.
  • Special attention is given to lung dosimetry and dose reduction strategies.

Conclusions:

  • Accurate dose delivery in magna-field radiotherapy requires careful consideration of physical and biological factors.
  • The concept of 'as precisely as readily achievable' (APARA) dose delivery is introduced, balancing technological and biological aspects.
  • Optimized dosimetry is crucial for effective and safe magna-field radiotherapy, particularly for lung protection.

Related Experiment Videos