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

Rotational kernels for conformal therapy.

G E Desobry1, N H Wells, A L Boyer

  • 1Department of Radiation Physics, University of Texas M. D. Anderson Cancer Center, Houston 77030.

Medical Physics
|May 1, 1991
PubMed
Summary
This summary is machine-generated.

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

Handcrafted firearm suicide: About the unusual use of a mole gun.

Legal medicine (Tokyo, Japan)·2022
Same author

Comparison of IMRT and Rapidarc treatment plans using AAPM task group test suites.

The Gulf journal of oncology·2011
Same author

Haemolytic Streptococcal Epidemic in a Hostel.

British medical journal·2010
Same author

A quality assurance phantom for IMRT dose verification.

Physics in medicine and biology·2003
Same author

Ovarian cyclicity in thyroid-suppressed ewes treated with propylthiouracil immediately before onset of seasonal anestrus.

Journal of animal science·2003
Same author

Serum thyroid hormones and reproductive characteristics of Rambouillet ewe lambs treated with propylthiouracil before puberty.

Theriogenology·2003
Same journal

Correction to "On the shape of the radiation survival curve in tumor spheroids: The role of oxygen heterogeneity".

Medical physics·2026
Same journal

Multi-view constrained semi-supervised vertebra detection for 3D ultrasound spine volume.

Medical physics·2026
Same journal

Accuracy of quantitative <sup>177</sup>Lu SPECT/CT imaging: A systematic review.

Medical physics·2026
Same journal

Physics-constrained dual-domain network for CBCT reconstruction from orthogonal X-rays in gynecologic radiotherapy.

Medical physics·2026
Same journal

Decomposition-based harmonization for quantitative PET imaging across scanners and radiotracers.

Medical physics·2026
Same journal

Development and evaluation of an in vivo dose-based monitoring system for electron FLASH radiation therapy.

Medical physics·2026
See all related articles

This study presents a method for calculating 3D kernels for conformal therapy treatment planning. These kernels, based on uniform irradiation under beam rotation, are invariant and verified experimentally for accurate dose distributions.

Area of Science:

  • Medical Physics
  • Radiation Oncology
  • Radiotherapy Physics

Background:

  • Conformal therapy treatment planning aims to optimize radiation dose distribution for tumor volumes.
  • Brahme's technique simplifies planning by focusing on uniform irradiation under beam rotation.

Purpose of the Study:

  • To describe a procedure for calculating 3D convolution kernels for clinical treatment planning.
  • To investigate the positional invariance of these kernels within a phantom.
  • To verify the calculated kernels against experimental data.

Main Methods:

  • Calculating 3D kernels as a sum of pencil beams irradiating a cylindrical phantom uniformly from all angles.
  • Using numerical calculations to investigate kernel shape and positional invariance.

Related Experiment Videos

  • Comparing calculated kernels with experimentally measured rotational arc dose distributions.

    • Main Results:

    • A procedure for calculating 3D kernels for x-ray conformal therapy is described.
    • Numerical calculations support the assumption of kernel invariance with respect to position.
    • Calculated kernels show good agreement with experimental measurements.

    Conclusions:

    • The developed method provides accurate 3D kernels for conformal therapy treatment planning.
    • The kernel's positional invariance simplifies its application in clinical settings.
    • Experimental verification confirms the reliability of the calculated kernels for radiotherapy.