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目的:本组对结、直肠经结肠镜或手术证实且均行CT仿真内窥镜(CTVE)检查的38例结、直肠癌或息肉患者进行回顾性分析。探究CTVE的最佳扫描方案。为患者提供更好的服务。材料与方法:对38例患者都采用仰卧位和俯卧位扫描。分别统计仰卧位、俯卧位及双体位(仰卧加俯卧位)下CTVE对病灶的检出率并做分析。结果:仰卧位CTVE的检出率最低(50%),俯卧位和双体位CTVE检出率最高(81.3%,87.5%)且二者无统计学差异(P>0.05)。而且双体位扫患者接受X线计量是俯卧位的两倍。结论:俯卧位下对结、直肠的CTVE检查为诊断结、直肠病变的最佳检查方案。
OBJECTIVE: We retrospectively analyzed 38 patients with colorectal cancer or polyp who underwent colonoscopy or surgery confirmed by CT virtual endoscopy (CTVE). Explore CTVE’s best scanning solution. To provide better service to patients. Materials and Methods: Supine and prone position scans were performed on 38 patients. Statistics of supine position, prone position and double position (supine and prone position) CTVE detection rate of the lesion were analyzed. Results: The detection rate of CTVE in supine position was the lowest (50%). The detection rate of CTVE in prone position and biphasic position was the highest (81.3%, 87.5%), with no significant difference (P> 0.05). And double-bing scan patients X-ray measurement is prone position twice. CONCLUSION: CTVE examination of the knot and rectum in the prone position is the best test for diagnosis of knot and rectum disease.