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Radiotherapy in Japan.

H Tsunemoto

    Radiation Medicine
    |April 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Radiation therapy is a key cancer treatment, with nearly half of patients receiving it. Advanced techniques like intraoperative irradiation and particle therapy are being explored to improve tumor control.

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    Area of Science:

    • Oncology
    • Radiation Oncology
    • Medical Physics

    Background:

    • Radiation therapy is a cornerstone of cancer treatment, with significant patient numbers historically receiving this modality.
    • Combined treatment approaches, including surgery and chemotherapy, are employed alongside radiation to enhance local cancer control.
    • The evolution of radiation techniques aims to optimize dose distribution and biological effectiveness.

    Purpose of the Study:

    • To review the historical and current landscape of radiation therapy in cancer treatment.
    • To highlight the development and application of advanced irradiation techniques.
    • To discuss the ongoing evaluation of particle radiation therapy for improved tumor outcomes.

    Main Methods:

    • Review of historical patient data and treatment trends in radiation therapy.

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  • Description of the principles and applications of intraoperative irradiation.
  • Overview of clinical trials investigating particle radiation therapy (fast neutrons, protons).

    • Main Results:

    • In 1978, an estimated 77,000 cancer patients received radiation therapy, representing a substantial proportion of all cancer cases.
    • Intraoperative irradiation has been implemented for specific cancers (stomach, pancreas) to improve dose delivery.
    • Particle radiation therapy is under clinical investigation to assess its impact on local tumor control.

    Conclusions:

    • Radiation therapy remains a critical component of multidisciplinary cancer care.
    • Innovative techniques like intraoperative irradiation offer potential benefits for challenging tumor sites.
    • Particle radiation therapy presents a promising area for future research and clinical application in optimizing radiation treatment efficacy.