Particle radiotherapy for prostate cancer

Yoshiyuki Shioyama, Hiroshi Tsuji, Hiroaki Suefuji, Makoto Sinoto, Akira Matsunobu, Shingo Toyama, Katsumasa Nakamura, Sho Kudo

研究成果: Contribution to journalReview article査読

19 被引用数 (Scopus)

抄録

Recent advances in external beam radiotherapy have allowed us to deliver higher doses to the tumors while decreasing doses to the surrounding tissues. Dose escalation using high-precision radiotherapy has improved the treatment outcomes of prostate cancer. Intensity-modulated radiation therapy has been widely used throughout the world as the most advanced form of photon radiotherapy. In contrast, particle radiotherapy has also been under development, and has been used as an effective and non-invasive radiation modality for prostate and other cancers. Among the particles used in such treatments, protons and carbon ions have the physical advantage that the dose can be focused on the tumor with only minimal exposure of the surrounding normal tissues. Furthermore, carbon ions also have radiobiological advantages that include higher killing effects on intrinsic radio-resistant tumors, hypoxic tumor cells and tumor cells in the G0 or S phase. However, the degree of clinical benefit derived from these theoretical advantages in the treatment of prostate cancer has not been adequately determined. The present article reviews the available literature on the use of particle radiotherapy for prostate cancer as well as the literature on the physical and radiobiological properties of this treatment, and discusses the role and the relative merits of particle radiotherapy compared with current photon-based radiotherapy, with a focus on proton beam therapy and carbon ion radiotherapy.

本文言語英語
ページ(範囲)33-39
ページ数7
ジャーナルInternational Journal of Urology
22
1
DOI
出版ステータス出版済み - 1 1 2015

All Science Journal Classification (ASJC) codes

  • Urology

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