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目的分析右半结肠癌的CT表现特点,评价CT诊断价值。方法结合病理改变,回顾性分析35例经手术切除证实的右半结肠癌患者的CT表现。结果35例中,CT诊断正确34例(97.1%)。病理分型:肿块型29例(82.9%),浸润型6例(17.1%),其中有典型靶征2例(5.8%)。结肠周围浸润9例(25.7%),检出7例,检出率77.8%;回肠末端累及3例(8.6%),检出3例,检出率100%;淋巴结转移11例(31.4%),检出7例,检出率63.6%。结论CT对右半结肠癌的诊断及显示结肠周围浸润、回肠末端累及和淋巴结转移具有很高价值。
Objective To analyze the CT features of right colon cancer and evaluate the diagnostic value of CT. Methods Combined with pathological changes, CT findings of 35 patients with right colon cancer confirmed by surgical resection were retrospectively analyzed. Results 35 cases, CT correct diagnosis of 34 cases (97.1%). Pathological type: mass in 29 cases (82.9%), infiltration in 6 cases (17.1%), of which 2 cases of typical target signs (5.8%). Peripheral colon infiltration in 9 cases (25.7%), 7 cases were detected, the detection rate was 77.8%; 3 cases (8.6%) were involved in the terminal ileum, 3 cases were detected, the detection rate was 100%; lymph node metastasis in 11 cases (31.4% , 7 cases were detected, the detection rate was 63.6%. Conclusion CT is of great value in the diagnosis of right-sided colon cancer and in the infiltration of peripheral colon, the involvement of terminal ileum and lymph node metastasis.