Image-guided radiation therapy: Current and future directions

Ron R. Allison, Hiram A. Gay, Helvecio C. Mota, Claudio H. Sibata

Research output: Contribution to journalReview articlepeer-review

18 Scopus citations


Since its discovery, ionizing radiation has been a comerstone of cancer treatment. In step with technological advances, radiation therapy has strived to increase its therapeutic ratio. With the advent of 3D and cross-sectional imaging, and the ability to modulate the radiation beam, the current age of radiation oncology was initiated, promising better tumor control rates with fewer side effects. However, these ever more precise and conformal treatments have also revealed the importance of accounting for organ and tumor motion. Efforts to understand and compensate for the uncertainties caused by movement are required to ensure accurate conformal radiation therapy. This review will explore the current and future directions of image-guided radiation therapy, whose goal is to increase the accuracy of radiotherapy.

Original languageEnglish
Pages (from-to)477-492
Number of pages16
JournalFuture Oncology
Issue number4
StatePublished - Aug 2006


  • Image-guided radiation therapy
  • Radiation oncology
  • Technological advances


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