Objective to investigate therapeutic methods and effect of X－knife for on intracranial diseases. Method Recent effect of 44 pqtients with cranial diseases by X－knife was observed. Radiological follow－up was perform...Objective to investigate therapeutic methods and effect of X－knife for on intracranial diseases. Method Recent effect of 44 pqtients with cranial diseases by X－knife was observed. Radiological follow－up was performed on 40 cases with mean 5.65 months of follow－up time. Result 92.5％of tumors were controlled locally, stability and recovery rate was 90.0％.The local control of metastatic tumors of brain was higher,but most patients with metastatic tumors died of primary lesion.New metastatic lesions appeared in patients without panencephalic radiotherapy in 1～5months .Tumors of pineal region were sensitive to X－knife.Conclusion X－knife has a definite effect on intracranial diseases .For patients with tumors of pineal region complicated by serious hydrocephalus,shunting should be conducted before X－knife treatment.For patients with mild or morderate hydrocephalus,X－knife chould be utilized only under correct interventions such as dehydration.The local control rate of intracranial metastatic tumors was high,but survival time postoperation depended on panencephalic radiotherapy or control of primafry lision. For tumors with diameter >3cm,pituitary tumors,brains stem tumors and tumors in cerebellopontine angle region repeated X －knife were suggested,which could improve cure rate and decrease complications.展开更多
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 investigate therapeutic methods and effect of X－knife for on intracranial diseases. Method Recent effect of 44 pqtients with cranial diseases by X－knife was observed. Radiological follow－up was performed on 40 cases with mean 5.65 months of follow－up time. Result 92.5％of tumors were controlled locally, stability and recovery rate was 90.0％.The local control of metastatic tumors of brain was higher,but most patients with metastatic tumors died of primary lesion.New metastatic lesions appeared in patients without panencephalic radiotherapy in 1～5months .Tumors of pineal region were sensitive to X－knife.Conclusion X－knife has a definite effect on intracranial diseases .For patients with tumors of pineal region complicated by serious hydrocephalus,shunting should be conducted before X－knife treatment.For patients with mild or morderate hydrocephalus,X－knife chould be utilized only under correct interventions such as dehydration.The local control rate of intracranial metastatic tumors was high,but survival time postoperation depended on panencephalic radiotherapy or control of primafry lision. For tumors with diameter >3cm,pituitary tumors,brains stem tumors and tumors in cerebellopontine angle region repeated X －knife were suggested,which could improve cure rate and decrease complications.
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.
