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Related Experiment Videos

Organ motion and its management.

K M Langen1, D T Jones

  • 1National Accelerator Centre, Medical Radiation Group, Faure, South Africa. Langen@redonc.17.ucsf.edu

International Journal of Radiation Oncology, Biology, Physics
|April 24, 2001
PubMed
Summary

This review compiles data on organ motion during radiation therapy, covering patient positioning, interfraction, and intrafraction movement. It also examines methods for managing this organ motion to improve treatment accuracy.

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Area of Science:

  • Radiation oncology
  • Medical physics
  • Radiotherapy

Background:

  • Organ motion presents a significant challenge in radiation therapy, potentially compromising treatment accuracy.
  • Understanding and managing organ motion is crucial for effective dose delivery.

Purpose of the Study:

  • To compile and review existing data on organ motion in radiation therapy.
  • To categorize and analyze different types of organ motion (patient position-related, interfraction, intrafraction).
  • To review current management strategies for organ motion in clinical practice.

Main Methods:

  • Literature review and data compilation.
  • Classification of organ motion into three categories: patient position-related, interfraction, and intrafraction.
  • Focused review on specific organs and tumor sites (gynecological, prostate, bladder, rectum, liver, diaphragm, kidneys, pancreas, lung).

Main Results:

  • Interfraction motion data for gynecological tumors, prostate, bladder, and rectum were reviewed.
  • Intrafraction movement data for liver, diaphragm, kidneys, pancreas, lung tumors, and prostate were compiled.
  • Methods for managing both interfraction and intrafraction organ motion were assessed.

Conclusions:

  • Organ motion is a complex issue in radiation therapy with distinct interfraction and intrafraction components.
  • Effective management strategies are essential for optimizing radiation therapy outcomes.
  • Further research into advanced motion management techniques is warranted.

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