目的：探讨口服对比剂螺旋CT胆管成像技术(ochctc)要点和可行性，并初步探讨其临床应用价值。
Objective: To probe the key points of oral contrast-enhanced helical ct cholangiography (OCHCTC) technique, and assess its feasibility and clinical application.
方法选择32例经手术病理证实的胆囊息肉患者，口服对比剂行胆囊ct仿真内窥镜成像并与彩色超声(简称彩超)比较。
Methods CT virtual endoscopy findings of 32 patients with polyps of the gallbladder proved pathologically were presented by using oral iodine contrast, and compared with color Doppler ultrasound.
使用口服和静脉对比剂可有助于让肠襻以及血管结构变透明(从而加以判断)。
It is helpful to use oral and intravenous contrast material to opacify (and identify) loops of bowel and vascular structures.
使用口服和静脉对比剂可有助于让肠襻以及血管结构变透明。
It is helpful to use oral and intravenous contrast material to opacify loops of bowel and vascular structures.
口服水对比剂及阳性对比剂均能满意地充盈胃腔（26/26），在轴位图像胃壁结构显示上单纯口服水对比剂效果好（25/26），且对周围图像无影响（伪影0/26）。
Both water and positive contrast media can be full of stomach(26/26). The showing of stomach wall is good in axial image(25/26), and no forgery to surrounding organs(0/26).
口服水对比剂及阳性对比剂均能满意地充盈胃腔（26/26），在轴位图像胃壁结构显示上单纯口服水对比剂效果好（25/26），且对周围图像无影响（伪影0/26）。
Both water and positive contrast media can be full of stomach(26/26). The showing of stomach wall is good in axial image(25/26), and no forgery to surrounding organs(0/26).
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