所以高剂量率后装治疗可以代替常规镭疗。
Thus, high-dose rate after-loading intracavitary therapy can be used to replace conventional radium therapy.
目的：探寻宫颈癌后装治疗宫腔内补量照射方法与剂量学特点。
Purpose:To research the method and dosimetry of dose complementary irradiation with brachytherapy for cervical carcinoma.
目的：探寻宫颈癌后装治疗宫腔内补量照射方法与剂量学特点。
Objective: To research the method and dosimetry of dose complementary irradiation with brachytherapy for cervical carcinoma.
目的观察鼻咽癌外照射联合高剂量率腔内后装治疗的近期疗效和反应。
ObjectiveTo investigate short term effect of nasopharyngeal carcinoma treated by combined external irradiation and intracavitary brachytherapy of the high dose rate.
后装治疗机是近距离放疗的主流设备，广泛应用于宫颈癌等恶性肿瘤的治疗，疗效肯定。
At present, the breach-loading machine is used widely to treat the patients with malignant tumor, especially cervical cancer.
结果随访1 ~4年，与对照组比较，接受后装治疗的患者肿瘤局部控制而并发症少。
Results All patients were followed up for more than 1-4 years. Patients received brachytherapy had better local tumor control and less complications than those in control group.
基于CT、MRI、PET图像的三维后装治疗计划系统的应用，提高了剂量计算的精确度和准确度。
The application of 3-D treatment planning system based on CT? MRI? PET images has increased the precision and accuracy in dose calculation of after-loading brachytherapy.
结论后装放射治疗鼻咽肿瘤残留病灶有较好的疗效，特别对早期病人。
Conclusion Brachytherapy is effective in the treatment of the residual nasopharyngeal neoplasms, especially for patients at an early stage.
后装系统中最关键的技术是医学图像可视化，治疗计划剂量的优化等。
The pivotal techno logies in after-loading system are visualization of medical image, optimization of dose computation calculation, etc.
方法120例均经病理证实的鼻咽肿瘤经外照射全量后复查，确定腔内仍有残留病灶者，给予后装放射治疗15 -30gy。
Methods 120 cases all proved as nasopharyngeal neoplasms were treated with brachytherapy (15 ~ 30gy). These cases all had intracavitary residual tumors after full external radiation therapy.
目的：探讨术后后装放疗加吉西他滨全身化疗对原发性肝癌的治疗效果。
Purpose: To evaluate the effect of postoperative after-loading radiotherapy with the use of gemcitabine in 22 patients with primary liver cancer.
目的：探讨术后后装放疗加吉西他滨全身化疗对原发性肝癌的治疗效果。
Purpose: To evaluate the effect of postoperative after-loading radiotherapy with the use of gemcitabine in 22 patients with primary liver cancer.
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