讨论了三维适形放射治疗中的多叶组合光栅的叶片设计。
This paper deals with the leaf shape design of multi-leaf collimator used in 3-dimensional conformal radiation therapy.
结论三维适形放疗是治疗肝海绵状血管瘤安全、有效方法。
Conclusion Three-dimensional conformal radiotherapy is curative, efficient and safe for patients with hepatic cavernous hemangiomas.
目的：探讨三维适形放疗技术对宫颈癌患者生存质量的影响。
Objective: To investigate the effect of conformal three-dimensional radiotherapy on living quality of of cervical cancer patients.
目的评价晚期胰腺癌患者应用三维适形放射治疗的近期疗效。
Objective To evaluate the treatment effects of three dimensional conformal radiotherapy on advanced, unresectable pancreatic cancer.
结论三维适形放射治疗可提高复发性直肠癌生存率，改善生存质量。
Conclusions Three dimensional conformal radiotherapy is able to prolong the survival and to improve the life quality of patients with recurrent rectal cancer.
结论三维适形放射治疗可能提高直肠癌患者的生存率，改善其生存质量。
Conclusion Three-dimensional conformal radiotherapy is able to prolong the survival and improve the life quality of patients with rectal cancer.
目的：对局部晚期食管癌三维适形放疗方法、疗效及毒副作用进行探讨。
Objective:To study the technique, treatment outcome and side effects of the local advanced esophageal cancer treated with 3 dimensional conformal radiotherapy(3DCRT).
目的探讨三维适形放射治疗（3DCRT）食管癌的疗效及放射治疗反应。
Objective To evaluate the results and side effects in three dimensional conformal radiation therapy(3DCRT) for esophageal carcinoma.
结论：对于术后复发的直肠癌患者行三维适形照射优于以往常规照射方式。
Conclusion: the three dimensional conformal radiation therapy is better for postoperative recrudescent patients with carcinoma of rectum, better than conventional radiotherapy.
三维适形放疗在治疗脑转移的同时，颅外转移灶及原发灶的治疗也非常重要。
At the mean time when we use the three dimension conformal radiotherapy to treat brain metastasis, it is also important to treat extracranial metastasis and primary tumor.
结论靶区中心的平均位置法应用于肺部小肿瘤的三维适形放射治疗是可行的。
Conclusions The mean target center method is feasible for small lesion of lung carcinoma treated with 3d CRT.
目的探讨靶区中心的平均位置应用于肺部小肿瘤三维适形放射治疗的可行性。
Objective To study the feasibility of mean target in three dimensional conformal radiotherapy (3d CRT) for small lesion of lung carcinoma.
本研究探讨髓母细胞瘤行三维适形放射治疗的疗效、毒副作用及其失败的原因。
We studied the effects and side effects of the three dimensional conformal radiation therapy (3D-CRT) for the children with medulloblastoma, and summarized the reasons of failure of the therapy.
目的通过观察分析适形放疗病例的结果，探讨三维适形放疗对肺癌脑转移的临床意义。
Objective Through the observation of result of conformal radiotherapy, to explore the clinical significance of three dimension conformal radiotherapy to treat the brain metastasis of lung cancer.
观察希罗达同步三维适形放疗治疗恶性肿瘤腹膜后淋巴结转移的近期疗效及毒副反应。
The objoctive of this study was to observe the efficacy and side effect of concurrent Xeloda and three-dimensional conformal radiotherapy(3DCRT)for retroperitoneal lymph node metastases.
目的：测定和分析三维适形及调强放疗的摆位误差，并依此计算CTV外扩PTV边界的大小。
Objective: To examine and analyze the set-up errors for patients with three dimensional conformal and Intensity Modulated Radiotherapy to calculate CTV referential safety margins of PTV.
三维适形放疗是治疗肿瘤的一种主要的外照射治疗方式，如：前列腺癌、头颈部癌、乳腺癌和肺癌等。
Three-dimensional conformal radiotherapy is a mostly-used external radiotherapy for some tumors, e. g. prostate carcinoma, head and neck cancer, breast cancer and lung cancer ect.
结论：三维适形放射治疗同步化疗是治疗直肠癌术后复发的有效方法，能提高直肠癌术后局部复发患者的生存率。
Conclusion Threedimensional conformal radiotherapy combined with chemotherapy may be an effective approach for recurrent rectal cancer and could improve the survival rate of recurrent patients.
结论三维适形放射治疗中晚期前列腺癌有较好的局部控制效果和较高的安全性，可作为前列腺癌姑息治疗的有效方法之一。
Conclusion the three-dimensional conformal radiotherapy is an effective and safe treatment for prostate cancer. It can be used as good selection of treatment for advanced prostate cancer.
目的分析三维适形放疗(3dcrt)与立体定向放射外科(SRS)对于不能手术切除或拒绝手术治疗的脑胶质瘤的疗效。
Objective To analyze the result of the 3 dimensional conformal radiation therapy (3dcrt) and the stereotactic radiosurgery (SRS) for the glioma of the brain.
结论三维适形放疗是一种较为安全有效的治疗颅脑肿瘤的方法，在杀灭肿瘤细胞的同时可以最大程度保护周围正常组织的功能。
Conclusion 3d conformal therapy is a effective and safe method for the treatment of the cranial tumor. It can protect the normal cranial tissue at the largest degree when killing the tumor cell.
目的探讨半肝交替三维立体定向适形放射治疗在肝脏广泛转移性肿瘤中的应用价值。
Objective To evaluate the application of semi-liver alternate and three-dimensional conformal radiotherapy on patients with liver widespread metastatic cancer.
本发 明装置，由定位校针、三维电极移动装置、U形支座、左右眼杆夹持器、壁虎适 配器等组成。
The corresponding device consists of locating needles, 3D electrode shifting unit, U-shaped seat, right and left eye rod holder, gecko adaptor, etc.
本发 明装置，由定位校针、三维电极移动装置、U形支座、左右眼杆夹持器、壁虎适 配器等组成。
The corresponding device consists of locating needles, 3D electrode shifting unit, U-shaped seat, right and left eye rod holder, gecko adaptor, etc.
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