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Related Concept Videos

Positron Emission Tomography01:29

Positron Emission Tomography

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Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
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Image-Guided Proton Therapy: A Comprehensive Review.

Shelby A Lane1, Jason M Slater1, Gary Y Yang1

  • 1James M. Slater, MD Proton Treatment and Research Center, Loma Linda University, Loma Linda, CA 92354, USA.

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Summary
This summary is machine-generated.

Image guidance enhances radiation therapy accuracy. Proton therapy utilizes daily image guidance, with evolving systems adapting to its unique properties for improved treatment precision.

Keywords:
FLASHMRI guided PTdose guided RTimage guidanceproton therapysurface guided PTupright proton treatment

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Area of Science:

  • Medical Physics
  • Radiation Oncology
  • Radiotherapy Technology

Background:

  • Image guidance in radiation therapy improves treatment accuracy and the therapeutic ratio.
  • Proton therapy offers precise dose delivery due to its Bragg peak, establishing daily image guidance as a standard to minimize uncertainties.
  • The increasing adoption of proton therapy necessitates advancements in its associated image guidance systems.

Purpose of the Study:

  • To describe simulation and daily image guidance methods for proton therapy, highlighting differences from photon therapy.
  • To discuss evolving image guidance systems for proton therapy.
  • To explore developments in dose-guided radiation, upright treatment, and FLASH RT within the context of proton therapy.

Main Methods:

  • Description of Computed Tomography (CT) and Magnetic Resonance Imaging (MRI)-based simulation techniques.
  • Explanation of daily image guidance methodologies tailored for proton therapy.
  • Review of emerging technologies and their integration into proton therapy image guidance.

Main Results:

  • Proton therapy's unique properties necessitate distinct image guidance approaches compared to photon therapy.
  • CT and MRI-based methods are central to proton therapy simulation and daily guidance.
  • Advancements such as dose-guided radiation, upright treatment, and FLASH RT are emerging areas in proton therapy image guidance.

Conclusions:

  • Image guidance is crucial for optimizing proton therapy's therapeutic ratio.
  • Adaptation of image guidance techniques is essential as proton therapy adoption grows.
  • Future developments in image guidance promise further enhancements in proton therapy precision and efficacy.