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目的 探讨64排螺旋CT对消化道穿孔的诊断价值.方法 选取2013年7月至2017年4月消化道穿孔患者40例,均为经64排螺旋CT诊断并通过手术得到证实者,其中男27例,女13例,年龄19～91岁.回顾性分析其CT影像资料.结果 40例患者中胃穿孔19例,小肠穿孔15例,结肠穿孔6例.64层螺旋CT征象:腹腔游离气体检出率为100％,腹腔积液25例,穿孔部位有渗出和炎性改变29例.结论 64排螺旋CT检测游离气体的敏感性较高,据此可判断穿孔的位置,其对消化道穿孔的及时诊断和治疗具有重要的临床意义.“,”Objective To investigate the value of 64 slice spiral CT in diagnosis of digestive tract perforation .Methods The CT images were retrospectively analyzed in 40 patients with perforation of digestive tract from July 2013 to April 2017, which were diagnosed by 64-slice Spiral CT and confirmed by operation. Among the 40 patients, there were 27 males, and 13 females, and aged 19 ～91 years old. Results Forty patients had gastric perforation in 19 cases, small intestinal perforation in 15 cases and 6 cases of colon perforation .The 64-Slice Spiral CT signs: the detection rate of fress gas in peritoneal cavity was 100％, peritoneal effusion was 25 cases, perforation and inflammatory changes of the site were 29 cases. Conclusions The sensitivity of 64-slice spiral CT to detect free gas is high, which can judge the location of perforation, and it is of great clinical significance in diagnosing and treating the perforation of digestive tract in time.