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Radiation: Applications01:17

Radiation: Applications

The average temperature of Earth is the subject of much current discussion. Earth is in radiative contact with both the Sun and dark space; it receives almost all its energy from the radiation of the Sun and reflects some of it into outer space. Dark space is very cold, about 3 K, so Earth radiates energy into it. For instance, heat transfer occurs from soil and grasses, the rate of which can be so rapid that frost can occur on clear summer evenings, even in warm latitudes.
The average...

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Proton Therapy Delivery and Its Clinical Application in Select Solid Tumor Malignancies
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Selecting the optimum particle for radiation therapy.

James M Slater1

  • 1Department of Radiation Medicine, Loma Linda University Medical Center, Loma Linda, California, USA. jmslater@dominion.llumc.edu

Technology in Cancer Research & Treatment
|August 22, 2007
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Proton therapy offers the best combination of disease control, minimal side effects, and affordability for cancer treatment. Further research is needed to explore the role of heavier ions in radiation therapy.

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Area of Science:

  • Oncology
  • Medical Physics

Background:

  • Ionizing radiation therapy is a cornerstone of cancer treatment.
  • Selecting the optimal particle for radiation therapy requires balancing efficacy, safety, and cost.
  • Key factors in particle selection include physical controllability and selective cell destruction.

Purpose of the Study:

  • To evaluate the suitability of different particles for routine cancer radiation therapy.
  • To compare the capabilities of protons and heavier ions in delivering radiation therapy.

Main Methods:

  • Assessment of physical controllability of radiation particles.
  • Evaluation of selective cell destruction capabilities.
  • Comparison of proton and heavier ion properties for therapeutic applications.

Main Results:

  • Protons currently exhibit the most favorable combination of properties for routine radiation therapy.
  • Heavier ions demonstrate potential but require additional investigation.

Conclusions:

  • Proton therapy is the leading choice for current radiation therapy protocols.
  • Further research is essential to define the clinical utility of heavier ions in cancer treatment.