[Dependence of axis deviation in the esophagram on computerized tomography determined wall thickness and its value in assessing depth of invasion of esophageal carcinoma].

Aktuelle Radiologie Pub Date : 1997-07-01
T Hackländer, E Ziegenhahn, E Katoh, R M Jungblut, U Mödder
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引用次数: 0

Abstract

Purpose: In this study we compared the abnormalities of the esophageal axis seen in the esophagogram with the thickness of the esophageal wall measured by computed tomography. We have investigated, how exactly both methods assess the local tumor invasion according to the TNM criteria and whether there is a relation between the esophageal axis and the wall thickness.

Methods: In a retrospective study we examined the esophagograms of 65 tumor patients. Computed tomography examinations were available in 40 cases. Using a graphical method the wall thickness was transferred to the esophagograms under consideration of the different scales of the images.

Results: There is no correlation between the different types of distortion of the esophageal axis and the wall thickness in computed tomography. However, it can be demonstrated that the distortion results from specific fixation effects with the surrounding tissue.

Conclusions: Both radiological methods cannot determinate the tumor invasion correctly.

[食管造影轴向偏移与计算机断层扫描的相关性决定管壁厚度及其在评估食管癌浸润深度中的价值]。
目的:在本研究中,我们比较了食管造影中食管轴的异常与计算机断层扫描测量的食管壁厚度。我们研究了这两种方法如何准确地根据TNM标准评估局部肿瘤的侵袭,以及食管轴与管壁厚度之间是否存在关系。方法:在回顾性研究中,我们检查了65例肿瘤患者的食管造影。40例行计算机断层扫描检查。考虑到食管图像的不同尺度,采用图形化方法将食管壁厚度转移到食管图像上。结果:不同类型的食管轴扭曲与食管壁厚度在计算机断层扫描上无相关性。然而,可以证明变形是由周围组织的特定固定作用引起的。结论:两种方法均不能正确判断肿瘤的侵袭情况。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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