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目的 本文主要研究了不同的检查体位在胃部CT扫描中的作用。方法 通过 30例正常成人在四种不同体位上的扫描 ,分别研究分析了各胃区显示状况与体位改变的关系 ,进一步分析了体位改变对各胃区CT图像的影响。结果 本研究结果表明 ,通过对检查体位的调节 ,有利于CT对胃壁及胃周器官的显示。胃底贲门区的最佳显示体位为仰卧头低足高位 ;胃体区的最佳显示体位为俯卧位 ;胃窦区的最佳显示体位为右侧卧位。分别与仰卧位比较 ,均有显著差异 (Ρ <0 .0 5 )。结论 仰卧位与各胃区的最佳显示体位结合 ,行双体位CT扫描 ,有助于提高胃部CT检查质量。
Objective This article mainly studied the role of different examination positions in gastric CT scan. Methods According to the scan of 30 normal adults in four different positions, the relationship between the display status of each stomach area and the change of body position was studied. The influence of body position changes on CT images of each stomach area was further analyzed. Results The results of this study show that by adjusting the position of the examination, it is conducive to the CT display of the stomach wall and surrounding organs. Gastric cardia area of the best display position for the supine head low high; the best display body position for the prone position of the stomach area; the best display of the antrum area for the right lateral position. Respectively, compared with the supine position, were significantly different (P <0. 05). Conclusion Supine position with the best display of the stomach area combined with the body, double-displacement CT scan, help to improve the quality of gastric CT examination.