造影检查（contrast examination）：指人体组织的厚度和密度不同，在X 线下有天然对 比，但是尚有一部分组织结构密度相似，而难以显影，可以将高于或低于该组织密度...
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double contrast examination of stomach 胃双对比造影
contrast examination of lacrimal gland 泪腺对比检查
double contrast examination 双重对比检查 ; 双对比造影
single contrast examination 单对比检查
double-contrast examination 双重对比检查
gastric contrast examination 胃造影
Clinical practice guidelines for vascular access of Canadian Society of Nephrology propose to monitor access flow and evaluation every two month,flow＜500ml/min or decrease 20%than base line should prefer contrast examination.
对于自体动静脉内瘘加拿大实践指南建议每二月监测通路流量和评价,流量＜500ml/min或比基线值下降20%应进行造影检查。
参考来源 - 维持性血液透析血管通路失功的临床监测和实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The detective rate of GIST was 100%, 75%, 100% and 100% respectively by pneumobarium double contrast examination, CT, arteriography and fiberoptic endoscopy.
胃肠道气钡双重造影100%，CT检查75%，肠系膜上动脉造影100%，内窥镜检查100%。
Methods in the 1795 patients, 1594 cases accepted double contrast examination of gastrointestinal tract, 201 cases accepted same examination of gastrointestinal tract.
方法：1795例患者中，行胃肠道双对比造影1594例，行普通胃肠道造影201例。
Conclusion Hypotonic double contrast examination combined with CT scan, it is very helpful to improve the diagnostic and differential ability of gastric leiomyosarcoma.
结论胃低张双重造影和CT扫描密切结合，对提高胃平滑肌肉瘤的诊断和鉴别诊断很有帮助。
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