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- W2364156664 abstract "Objective To explore the effects of two different position fixing methods on the precision of re-position in patients with chest tumor receiving radiotherapy.Methods Thirty cases with chest tumor receiving radiotherapy were randomly divided into two groups:vacuum cushion fixed position group and low-temperature thermoplastic membrane fixed position group.Simulation films and portal verification films under the simulator and the electron linear accelerator were separately photographed.The chip beam center was positioned for the coordinates in simulation films,and the deviation of beam center in the X-axis,Y-axis,and Z-axis were calculated.Results The deviation distance with beam center in the X-axis,Y-axis,and Z-axis in the vacuum cushion group and thermoplastic membrane group were(1.37 ± 1.31) mm vs.(1.35 ± 1.29) mm(P 0.05),(1.33 ± 1.14) mm vs.(1.26 ± 1.12) mm(P 0.05),and(2.17 ± 1.54) mm vs.(1.47 ± 1.32) mm(P 0.01),respectively.Conclusion Position fixation with thermoplastic membrane in radiotherapy is better than vacuum cushion for chest tumor,which can reduce position deviation of the pendulum,so as to enhance the treatment positioning accuracy degrees." @default.
- W2364156664 created "2016-06-24" @default.
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- W2364156664 date "2012-01-01" @default.
- W2364156664 modified "2023-09-28" @default.
- W2364156664 title "Exploration of position fixation technique in chest tumor radiotherapy" @default.
- W2364156664 hasPublicationYear "2012" @default.
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