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腔内超声应用于直肠癌术前分期的临床分析 被引量:3

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摘要 目的探讨内镜超声(endoscopic ultrasonography,EUS)在直肠癌术前TNM分期中的应用价值。方法对98例手术切除的直肠癌患者术前行内镜超声检查,所有病例术后均得到病理证实。结果根据EUS下直肠壁5层结构和邻近器官的改变判断肿瘤侵犯的深度,进行T分期诊断。肿瘤旁直径≥5mm圆形的低回声病灶诊断为转移性淋巴结。EUS对直肠癌T分期诊断总的准确率为82.7%,周围淋巴结转移诊断的敏感性和特异性为77.6%和77.3%。结论EUS对直肠癌侵犯深度的判断有较高的准确率,对术前TNM分期诊断有一定价值,有利于指导治疗。
作者 张艳玲
出处 《中外医疗》 2009年第18期94-95,共2页 China & Foreign Medical Treatment
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参考文献5

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共引文献18

同被引文献43

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