THE CONTRIBUTION OF RADIOTHERAPY TO THE TREATMENT OF THE MALIGNANT TUMORS:2. COMBINATION OF RADIOTHERAPY AND SURGERY
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Application of radiotherapy combined with operation in the treatment of malignant tumors were studied in the patients with the breast cancer, testicular tumor, glioblastoma, soft tissue tumor and esophageal cancer. The results were as follows : <BR>1) The prophylactic post-operative radiotherapy was considered to be effective for the patients with the breast cancer of progression stages and those treated by minor surgery. The 5-year cumulative survival rate was 93% in n0, 88% in n1 α, 56% in n1β and 42% in n2.<BR>2) The patients with pure-seminoma have been treated by post-operative radiotherapy. The 5-year cumulative survival for those patients was 98% in accordance with anticipation, but for the patients with non-seminoma was only 36%. Further study of therapeutic regimen including chemotherapy for this type of tumor is required.<BR>3) The patiens with glioblastoma treated by radiotherapy at the rate of 5Gy twice a week as boost therapy following operation were compared with those irradiated at the conventional daily dose. The 3-year cumulative survival rate of the high dose group was better than the conventional dose group.<BR>4) The soft tissue tumors have been misunderstood for the radioresistant tumor. Some of them, liposarcoma and embryonal rhabdomyosarcoma, were radiosensitive rather than radioresistant. Then, those tumors should have been treated by radiotherapy following reduction surgery.<BR>5) Esophageal cancer of 5cm or smaller in diameters was considered to be treated by radiation or operation alone. Combined therapy of radiation and surgery seems to be most suited for the tumor of 5cm to 10cm.
- 北関東医学会の論文
北関東医学会 | 論文
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