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Value of spiral computed tomography in preoperative TNM staging for gastric cancer

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Author:: No author available

Journal Title:: WORLD CHINESE JOURNAL OF DIGESTOLOGY

Issue:: 18

DOI:: 10.3969/j.issn.1009-3079.2006.18.007

Key Word:: 胃癌;螺旋CT;TNM分期;淋巴结转移

Abstract：目的:探讨螺旋CT对胃癌术前TNM分期的准确性,指导临床合理地制订治疗方案和进行预后分析.方法:术前对45例胃癌患者的腹部SCT资料进行TNM分期,并与术后病理进行对照研究.结果:螺旋CT对胃癌T分期、N分期、M分期和TNM分期的准确率分别为75.6%、73.3%、86.7%和75.6%.如以平扫CT值≥25 Hu或动脉期CT值≥70 Hu或静脉期CT值≥80 Hu为诊断阳性淋巴结标准,则阳性淋巴结的敏感性高达98.4%,特异性为64.0%.结论:螺旋CT对胃癌的术前TNM分期可提供较高的准确率.

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