Quality Assurance and Quality Control in Body X-ray Knife / 实用放射学杂志

Objective To analyse quality assurance(QA) and quality control (QC) during the process of X-ray stereotactic treatment.Methods The dosage of body X-ray irradiation,the treatment room of linear accelevator and the position of targe were measured using the standard inonizing and film dosage methods.Results The maximum error rate of body X-ray irradiation treatment system was 3%,it was in keeping with the national standard level which is 5%.Conclusion It is an essential to establish a comprehensive QA and QC program to guarantee a good treatment precision of X-ray stereotactic irradiation.