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目的:探讨海信计算机辅助手术系统(Hisense CAS)在儿童腹膜后肿瘤切除中的作用及意义。方法:回顾性分析2012年3月至2018年9月青岛大学附属医院小儿外科收治的48例腹膜后肿瘤患儿的临床资料，其中38例患儿作为重建组应用Hisense CAS将其二维CT图像重建成三维可视化图像，进行术前评估并制定手术方案、实施手术，另外10例仅行腹部增强CT的患儿作为对照组，比较两组患儿在手术时间、术中出血量、住院时间等方面的差异。结果:48例患儿均顺利完成手术，术中及术后无死亡。重建组患儿在手术时间、术中出血量、住院时间等方面较对照组明显减少，三维重建结果能清晰、立体的显示肿瘤的解剖学位置及与周围器官、血管的毗邻关系，与术中情况基本相符。结论:Hisense CAS能够在术前对腹膜后肿瘤患儿的情况进行精确评估，优化手术方案，对指导手术有一定的应用价值。“,”Objective:To explore the application value of Hisense computer-assisted surgical system for resecting retroperitoneal tumors.Methods:A retrospective analysis was performed for 48 children with retroperitoneal tumors between March 2012 and September 2018.The data of 64-slice spiral computer tomography (CT) scans were analyzed.And 38 CT scans were constructed three-dimensionally (3D). Another 10 patients receiving abdominal enhanced CT were treated as control group.The inter-group differences in operative duration; intraoperative blood loss, length of hospitalization and other aspects were compared.Results:All operations were successfully operated without perioperative mortality.Reconstruction group had significantly shorter operative duration, less intraoperative blood loss and length of hospitalization than those in control group.Tumor anatomical locations and adjacent relationship with surrounding organs and blood vessels were basically consistent with intraoperative findings.Conclusions:Hisense computer-assisted surgical system provides accurate preoperative evaluations of retroperitoneal tumors so that it has application value for guiding surgery.