论文部分内容阅读
目的评估肝脏肿瘤和正常肝组织CT灌注的可重复性,以及呼吸运动和数据采集时间对参数可重复性的影响。材料与方法本前瞻性研究获得伦理委员会批准和受试者知情同意。本研究符合HIPAA要求。7例有肝脏肿瘤的病人间隔2～7d分别进行两次CT灌注扫描,每次检查有2个
Objective To assess the reproducibility of CT perfusion in liver tumors and normal liver tissue and the influence of respiratory motion and data acquisition time on the reproducibility of parameters. Materials and Methods The prospective study was approved by Ethics Committee and informed consent of subjects. This study meets HIPAA requirements. Seven patients with liver tumors were performed CT perfusion scans two to seven days apart, each with two