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目的分析结肠癌的多层螺旋CT(multi-slice spiral CT,MSCT)的影像特征,评价MSCT诊断结肠癌的临床应用价值。方法回顾性分析35例经纤维结肠镜检查或临床高度怀疑结肠癌患者所行MSCT平扫及动态增强扫描图像,并与手术病理结果对照。结果 MSCT检出病变位于盲肠3例,升结肠14例,横结肠2例,降结肠4例,乙状结肠11例,小肠癌1例。其中左半结肠转移1例,局部和远处淋巴结转移7例,远隔器官转移5例。35例患者MSCT诊断结果与手术病理诊断符合率为100%。结论 MSCT在结肠癌的诊断中具有独特优势,其诊断符合率高于钡灌肠和纤维结肠镜检查。
Objective To analyze the imaging features of multi-slice spiral CT (MSCT) in colon cancer and evaluate the clinical value of MSCT in the diagnosis of colon cancer. Methods We retrospectively analyzed the images of MSCT and dynamic contrast-enhanced scanning in 35 patients with colonoscopy or highly suspected colon cancer and compared them with the results of surgery and pathology. Results MSCT detected lesions in the cecum in 3 cases, ascending colon in 14 cases, transverse colon in 2 cases, descending colon in 4 cases, sigmoid colon in 11 cases and small bowel cancer in 1 case. One case of left colon metastasis, local and distant lymph node metastasis in 7 cases, distant organ metastasis in 5 cases. 35 patients with MSCT diagnostic results and pathological diagnosis of 100%. Conclusion MSCT has unique advantages in the diagnosis of colon cancer. The diagnostic accuracy of MSCT is higher than that of barium enema and colonoscopy.