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首页> 外文期刊>Radiotherapy and oncology: Journal of the European Society for Therapeutic Radiology and Oncology >Conformal radiation therapy treatment planning reduces the dose to the optic structures for patients with tumors of the paranasal sinuses.
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Conformal radiation therapy treatment planning reduces the dose to the optic structures for patients with tumors of the paranasal sinuses.

机译:保形放射疗法治疗计划可减少鼻旁窦肿瘤患者的视神经结构剂量。

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摘要

PURPOSE: Compare dose distributions of traditional versus conformal beam orientations in paranasal sinus malignancies. MATERIALS AND METHODS: Maximum normal tissue doses, dose volume histograms (DVH), normal tissue complication probabilities (NTCP), and the percentage of each normal tissue receiving >80% of the average target dose (V80) were calculated. RESULTS/CONCLUSIONS: Conformal planning reduced the V80 to the optic nerves and chiasm as well as the normal tissue maximum doses to the ipsilateral and contralateral optic nerves and chiasm, and mean NTCPs.
机译:目的:比较鼻旁窦恶性肿瘤中传统与共形光束方向的剂量分布。材料与方法:计算最大正常组织剂量,剂量体积直方图(DVH),正常组织并发症概率(NTCP),以及每个正常组织接受大于平均目标剂量(V80)的80%的百分比。结果/结论:适形的计划减少了视神经和黑眼的V80以及同侧和对侧视神经和黑眼的正常组织最大剂量,并降低了平均NTCP。

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