- 直肠癌术后复发的影像引导的放疗技术
- 作者:王凤玮|发布时间:2012-04-07|浏览量:489次
直肠癌术后复发三维适形放疗的计划实施及近期疗效观察
【摘 要】 目的:观察三维适形放疗治疗直肠癌术后复发病例的计划实施和近期疗效。方法:选择直肠癌术后复发患者17 例接受三维适形放疗,其中粘液腺癌2 例,腺癌15 例。放疗总剂量在50~64 Gy,5~7 周完成。结果:中位随访时间为4个月,平均随访时间为4.5 个月(1~6个月) 。疼痛缓解6 例,占75 %,便血缓解3例,占75%,肿块缩小10 例,占58.8%;4例肿物稳定,占23.5%,进展3 例占17.6 %。有效率为82.3 %,症状缓解率69.2%(9/ 13) 。结论:三维适形放射治疗直肠癌术后复发患者具有明显的剂量分布优势,局部控制率和症状缓解率高,急性放疗毒性反应发生率较低。天津市人民医院放疗科王凤玮
【关键词】 直肠癌; 复发; 三维适形放疗
Plan practice and Effecting observation of 3-D conformal radiation therapy for postoperative local recurrence of rectal cancer
【Abstract】 Objective To evaluate the acute effects of 3-dimensional conformal radiation therapy for rectal cancer of postoperative local recurrence. Methods 17 rectal cancer patients of postoperative local recurrence were treated with 3-dimensional conformal radiotherapy(50~64 Gy in 1.8~2 Gy daily fraction for 5~7week) Acute Effecting and radioreactions were observed. Results The median Follow-up time were 4 monthes . The pain-alleviation rate were 75 % and The bleeding-alleviation rate were 75% ,the lump diminution and stable rate were 58.8% and 23.5%.while the overall response(CR + PR) rates were 82.3 %Conclusions 3-dimensional conformal radiotherapy can be considered as an effective and feasible approach to cancer patients of postoperative local recurrence.
【Key words】 Rectal neoplasms ; Neoplasm recurrence ; 3-dimensional conformal radiationtherapy