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目的探讨64层螺旋CT低张水灌肠扫描对大肠癌的术前诊断价值。方法对临床拟诊为大肠癌的患者24例行64层螺旋CT低张水灌肠扫描,以手术病理为标准,评价64层螺旋CT低张水灌肠扫描对大肠癌术前定位及TNM分期的准确性。结果 20例患者充液良好,病变及肠周情况显示良好,4例患者因肠腔严重狭窄,仅灌入少量水,病变显示清晰,定位准确率为100%。共19例行大肠癌切除术,T、N分期准确率为89.5%和83.3%。结论 64层螺旋CT低张水灌肠扫描能对大肠癌提供更加准确的术前定位及TNM分期信息,可以作为术前的常规检查。
Objective To investigate the preoperative diagnostic value of 64-slice spiral CT low-pressure water enema for colorectal cancer. Methods Twenty-four patients with clinically suspected colorectal cancer underwent 64-slice spiral CT low-pressure water enema scanning. The accuracy of preoperative localization and TNM staging of colorectal cancer by 64-slice spiral CT was compared with the surgical pathology Sex. Results Twenty patients were well-filled with good pathological and perivascular findings. Four patients suffered from serious stenosis of the intestine and only a small amount of water was infused. The lesions showed a clear location and the positioning accuracy was 100%. A total of 19 cases of colorectal cancer resection, T, N staging accuracy of 89.5% and 83.3%. Conclusion 64-slice spiral CT low-pressure water enema scanning can provide more accurate preoperative localization and TNM staging information for colorectal cancer, which can be used as routine preoperative examination.