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- W2362059107 abstract "[Purpose] To compare and analyze the dose distribution of front-back field radiotherapy(FBRT),four fields box of types in radiotherapy(FFRT),three-dimensional conformal radiotherapy(3D-CRT) and intensity modulated radiotherapy(IMRT) for patients with cervical cancer postoperation. [Methods] Four radiotherapy plannings were designed for eight cases with cervical cancer postoperation. The conformal index(CI),homogeneity index(HI) and delivered MU were computed;a diagram of DVH for PTV were drawn;the mean value of V40for intestines,rectum and neck of femur,and the mean value of Dmax for intestines and neck of femur were calculated. [Results]The CI in FBRT,FFTR,3D-CRT and IMRT were 0.32 ±0.09,0.35 ±0.08,0.61 ±0.09 and 0.83 ±0.14;the HI were 1.07 ±0.03,1.08 ±0.03,1.12 ±0.10 and 1.05 ±0.07;MU were 5606 ±46,6451 ±49,6674 ±64,19321 ±141,respectively. The intestines Dmax was 5160 ±25,5139 ±24,5107 ±17,5078±23;and the intestines V40was 76%±4%,57%±7%,34%±7%,29%±4%,respectively. The rectum V40was 45% in IMRT,but it was 100% in the others. The Dmax of neck of femur met the maximum in FFRT(5058±38 cGy) and the minimum in IMRT(4762±31cGy). The V40of neck of femur met the minimum in 3D-CRT(7%±3%) and the maximum in FFRT(19%±4%). [Conclusion] IMRT is the best choice for patients with cervical cancer postoperation,but if the patient in a radiotherapy unit which is not capable of performing IMRT,who also can benefit from the 3D-CRT." @default.
- W2362059107 created "2016-06-24" @default.
- W2362059107 creator A5016585741 @default.
- W2362059107 date "2013-01-01" @default.
- W2362059107 modified "2023-09-23" @default.
- W2362059107 title "Dosimetric Analysis of Four Radiotherapy Techniques for Cervical Cancer Postoperation" @default.
- W2362059107 hasPublicationYear "2013" @default.
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