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目的分析大肠癌的X线、CT、超声、肠内窥镜等各种影像表现及特点。方法回顾分析经病理证实的30例大肠癌患者的各种影像学表现,并比较各种方法的检出率。结果 30例中直肠癌7例,结肠癌23例,本组综合诊断的阳性率为96.7%(29/30)。结论钡剂灌肠双对比造影和超声检查为首选、初筛,进展期大肠癌CT检查法简单易行;大肠癌的早期诊断肠内窥镜检查法更为优越。各种影像学检查法优势互补,可以提高诊断准确性。
Objective To analyze the manifestations and characteristics of colorectal cancer by X-ray, CT, ultrasound and intestinal endoscopy. Methods A retrospective analysis of pathologically confirmed 30 cases of colorectal cancer in various imaging findings, and compare the detection rate of various methods. Results Of 30 cases, 7 were rectal cancer and 23 were colon cancer. The positive rate of comprehensive diagnosis in this group was 96.7% (29/30). Conclusion Double contrasted contrast and ultrasound examination of barium enema is the first choice. The primary screening and advanced CT examination of colorectal cancer is simple and easy; early diagnosis of colorectal cancer is more superior to enteroscopy. A variety of imaging methods complement each other, can improve the diagnostic accuracy.