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Types of Radioactivity

The most common types of radioactivity are α decay, β decay, γ decay, neutron emission, and electron capture.
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Updated: May 12, 2026

Proton Therapy Delivery and Its Clinical Application in Select Solid Tumor Malignancies
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Future radiation therapy: photons, protons and particles.

Ron R Allison1, Claudio Sibata, Rajen Patel

  • 121st Century Oncology, 801 WH Smith Blvd., Greenville, NC 27834, USA. rallison@rtsx.com

Future Oncology (London, England)
|April 9, 2013
PubMed
Summary

Modern radiation therapy, using linear accelerators, offers improved cancer treatment with fewer side effects. Newer techniques like proton and heavy particle therapy show promise but have limitations, with future tools expected to enhance oncology outcomes.

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Area of Science:

  • Oncology
  • Medical Physics
  • Radiotherapy

Background:

  • Radiation therapy is a cornerstone of cancer management.
  • Linear accelerator-based photon therapy is the most common modality.
  • Technological advancements have increased precision and reduced side effects.

Purpose of the Study:

  • To review the benefits and drawbacks of current radiation therapy techniques.
  • To discuss emerging technologies like proton and heavy particle therapy.
  • To speculate on future advancements in radiation oncology.

Main Methods:

  • Review of current radiation therapy technologies and their clinical impact.
  • Analysis of the advantages and disadvantages of photon, proton, and heavy particle therapy.
  • Discussion of technological innovations in beam modulation and imaging.

Main Results:

  • State-of-the-art linear accelerators provide precise photon delivery, improving patient outcomes and reducing side effects.
  • Proton therapy offers potential clinical advantages in specific cases but faces limitations.
  • Heavy particle therapy is being explored for enhanced cancer treatment efficacy.

Conclusions:

  • Modern radiation therapy has significantly improved cancer care.
  • Emerging particle therapies present both opportunities and challenges.
  • Future technological developments are poised to further revolutionize radiation oncology.