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目的:对睾丸恶性肿瘤淋巴转移放射治疗射野的选择提供理论依据。方法:对30例精原细胞瘤行淋巴造影摄片观测淋巴转移侵蚀部位与范围,精确选择放射治疗的射野。结果:精原细胞瘤淋巴转移X线放射治疗的超选择比以往传统射野的面积减少12.5±0.45cm~2。结论:睾丸恶性肿瘤淋巴转移放射治疗射野倒“Y”型下位定点可选择在闭孔内缘至耻骨联合上缘4cm处,以其达到既杀伤转移癌瘤细胞,又不过多损伤正常组织,最大限度地维护机体功能。
Objective: To provide theoretical basis for the selection of radiotherapy field for lymph node metastasis of testicular malignant tumors. METHODS: Thirty cases of seminoma were examined by lymphography to observe the site and extent of lymphatic metastasis, and the radiotherapy field was accurately selected. RESULTS: The superselection of X-ray radiotherapy for lymphoid metastasis of seminoma was 12.5±0.45cm~2 less than that of traditional radiosurgery. Conclusion: The radiotherapy of lymph node metastasis of testicular malignant tumors can be selected from the lower edge of the obturator to the upper edge of the pubic symphysis by 4 cm at the “Y” type of radiotherapy. This can achieve both the killing and metastasis of cancer cells, but it does not damage normal tissues. Maximize the maintenance of body functions.