Conformal radiation therapy treatment planning reduces the dose to the optic structures for patients with tumors of the paranasal sinuses

被引:29
作者
Brizel, DM [1 ]
Light, K [1 ]
Zhou, SM [1 ]
Marks, LB [1 ]
机构
[1] Duke Univ, Med Ctr, Dept Radiat Oncol, Durham, NC 27710 USA
关键词
conformal radiotherapy; paranasal sinus; optic nerve; optic chiasm;
D O I
10.1016/S0167-8140(99)00043-2
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
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. (C) 1999 Elsevier Science ireland Ltd. All nights reserved.
引用
收藏
页码:215 / 218
页数:4
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