目的 探究多排螺旋CT(Multislice spiral CT,MSCT)后处理技术在机 械性肠梗阻病因诊断中的价值。方法 本 研究选取2013年9月至2015年3月于我院行 腹平片检查疑似肠梗阻患者95例，所有患 者均行MSCT检查，并与手术或出院结果进 行比较，分析MSCT后处理技术显示机械性 肠梗阻部位及原因对其诊断价值。结果 75例手术治疗患者中，MSCT显示部位结果 与病理结果比较，诊断符合率为90.67%， 梗阻部位最常发生的部位分别为回肠、空 肠、升结肠，MSCT结果的符合率分别为： 83.33%、93.10%、100%，出现最少的部位 为降结肠、直肠，多排螺旋CT结果的符合 率均为80%；MSCT显示病因结果与临床诊 断结果比较，总符合率为84%，对肿瘤引 起的肠梗阻诊断的符合率较高(94.44%)。 结论 MSCT后处理技术诊断机械性肠梗阻 较明确，对梗阻部位及原因判断较为准 确，可做为诊断机械性肠梗阻的首选方 法。

Objective To explore the value of multi-slice spiral CT (MSCT) postprocessing technique in the diagnosis of the causes of mechanical intestinal obstruction. Methods 95 patients with suspected intestinal obstruction by abdominal plain film in our hospital from September 2013 and March 2015were selected object. All patients underwent MSCT examination. The results were compared with the results of surgery or discharge. The diagnostic value of MSCT postprocessing technique in displaying the area of mechanical intestinal obstruction and its causes. Results In the 75 cases of patients undergoing surgical treatment, compared the sites displayed by MSCT with pathological results, the diagnostic coincidence rate was 90.67%. Location of obstruction occurred were the ileum, jejunum and ascending colon following. The coincidence rates of MSCT results were 83.33%, 93.10% and 100% respectively. The uncommon sites were the descending colon and rectum, and the coincidence rate of the results of MSCT was 80%. Compared the results of MSCT with clinically diagnosed results, it showed that the total coincidence rate was 84%. The coincidence rate in diagnosis of intestinal obstruction caused by tumors was relatively higher (94.44%). Conclusions MSCT postprocessing technique can exactly diagnose mechanical intestinal obstruction and the judgement of the location and causes of obstruction is accurate. It can be used as the preferred diagnosis of mechanical intestinal obstruction.