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《Practical Journal of Medicine & Pharmacy》 2008-12
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Comparative study on the dose distribution of one-isocenter and two-isocenter in the conformal radiotherapy of thyroid-associated ophthalmopathy

LIN Xin①,SUN Feng,MA Yong-quan.①Dept.of Ophthalmology,the 153rd Hospital of PLA,ZHengzhou 450002,China  
Objective To compare the dose distribution of one-isocenter and two-isocenter in the conformal radiotherapy of thyroid-associated ophthalmopathy.Method Adopting accurate patient immobilization technique,three dimensional data of the target and the other surrounding tissues were acquired by using spired CT screen.Results Based on the three dimensional radiotherapy planning system,the two fields conformal radiotherapy plans with one-isocenter and two-isocenter were designed,the dose-volume histograms were calculated and compared.Conclusion The dose distribution of irradiated target in the two methods is similar during the conformal radiotherapy of thyroid-associated ophthalmopathy.
【CateGory Index】: R771.3
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