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螺旋CT增强扫描对胃癌的诊断价值
作者:蔡志强1 沈其君2 
单位:1.南京铁路中心医院,放射科,江苏,南京,210003; 2.东南大学医学院,江苏,南京,210009
关键词:胃肿瘤 体层摄影术 X线计算机 对比研究 
分类号:R814.42, R735.2
出版年·卷·期(页码):2003·22·第四期(254-256)
摘要:

目的:探讨胃癌的螺旋CT表现特征,评价螺旋CT增强扫描对胃癌术前分期的诊断价值.方法:对42例胃癌患者实施口服不同对比剂行螺旋CT增强扫描,并与病理诊断对比.结果:(1)不同的对比剂对病灶细节显示有很大的影响,水较2%泛影葡胺好(P<0.05);(2)42例胃癌均出现明显强化;(3)螺旋CT增强扫描对胃癌术前分期准确性较高,达88.1%.结论:在应用螺旋CT诊断胃癌时应口服水对比剂,螺旋CT增强扫描对胃癌术前分期具有较高诊断价值.

Objective  To investigate helical CT characteristics of gastric carcinoma,and evaluate the diagnostic value of incremental helical CT for TNM staging of gastric carcinoma.Methods  Incremental helical CT scans were performed on 42 patients with gastric carcinoma,given the different oral contrast media,and the result was compared with pathological diagnosis.Results  (1)Different oral contrasts varied in showing the details of lesions.And it was proved that water contrasts were the best.(2)The image of the foci became more prominent in all the 42 patients of gastric carcinoma showed significant enhancement in incremental helical CT.(3)The accuracy value of incremental helical CT diagnosing TNM-staging of gastric carcinoma was 88.1%.Conclusion  The results reveal that water oral contrast should be administered to diagnose gastric carcinoma by incremental helical CT,and this procedure is of a high diagnostic value to preoperative staging of gastric carcinoma.

参考文献:

[1] 李荫太, 高剑波. 进一步重视螺旋CT对胃肠道肿瘤的诊断价值. 中华放射学杂志2001(4)
[2] Cho J S, KIM J K, RHO S M. Preoperative assessment of gastric carcinoma:value of two-phase dynamic CT with mechanical iv.injection of contrast material, 1994
[3] 彭卫军, 周康荣, 秦新裕. 应用动态CT和水充盈技术行胃癌CT分期和手术对照研究, 1994(1)
[4] 周康荣. 螺旋CT, 1998
[5] Minami M, KAWAUCHI N, ITAI Y. Gastric tumors:radiology-pathologic correlation and accuracy of T staging with dynamic CT, 1992(2) 

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