Esophageal Carcinoma Treated with Proton Beam

  • Shohei Koyama
  • Hirohiko Tsujii
Conference paper


The prognosis of patients with esophageal carcinoma treated by external x-ray irradiation alone is poor because of local recurrence and distant metastasis [1], To solve this problem, we have adopted a new therapeutic modality which utilizes proton beam. Proton beam has a highly defined dose distribution, resulting in no radiation exposure beyond the beam range and very little side scatter [2–4]. Thus, a study has been undertaken at the Institute of Clinical Medicine, University of Tsukuba in patients with esophageal carcinoma to receive definitive proton therapy or proton beam irradiation following external x-ray irradiation. This report describes the preliminary results from the first 15 patients who have been so treated.


Proton Beam Esophageal Carcinoma None None Proton Therapy Proton Beam Therapy 


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Copyright information

© Springer-Verlag Tokyo 1993

Authors and Affiliations

  • Shohei Koyama
    • 1
  • Hirohiko Tsujii
    • 2
  1. 1.Department of Internal MedicineUniversity of TsukubaTsukuba, 305Japan
  2. 2.Institute of Clinical Medicine, Proton Medical Research CenterUniversity of TsukubaTsukuba, 305Japan

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