Objective To provide improved manipulative program of body X-knife therapy is to re duce localization and repetition error,increase therapeutic precision and perform accurate quality control.Methods Measure and compar...Objective To provide improved manipulative program of body X-knife therapy is to re duce localization and repetition error,increase therapeutic precision and perform accurate quality control.Methods Measure and compare the actual error in 86therapeutic targets of52patients before body X-knife stereotactic radiotherapy at different positioning.Results The position error is reduced obviou sly in quality control group compared with control group.T here is prominent difference in two g roups about the error of irradiation field accuracy and axial superpo-sition(P value:0.000896and 0.02980).Conclusions The improved positioning method can reduce errors and increase repetiti on precision and veracity in therapy.展开更多
文摘Objective To provide improved manipulative program of body X-knife therapy is to re duce localization and repetition error,increase therapeutic precision and perform accurate quality control.Methods Measure and compare the actual error in 86therapeutic targets of52patients before body X-knife stereotactic radiotherapy at different positioning.Results The position error is reduced obviou sly in quality control group compared with control group.T here is prominent difference in two g roups about the error of irradiation field accuracy and axial superpo-sition(P value:0.000896and 0.02980).Conclusions The improved positioning method can reduce errors and increase repetiti on precision and veracity in therapy.