Methods The one-way valves were implanted into the target bronchi of dogs. Computer tomography scan and pathology examination were performed after 2 weeks.

方法通过支气管镜向目的支气管置入单向活瓣，观察并记录实验动物的耐受情况，2周后行CT检查和组织病理学检查。

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Methods: The ultrasonic portrait and internal and peripheral blood supply of tumor in 71 patients with bile duct carcinoma, who were confirmed by operation and pathology examination were analysed.

方法：对71例经手术病理证实的胆管癌超声图像，肿瘤内部及周边血供进行分析。

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We summarized 16 cases of nonfunctioning islet cell tumor which were proved by surgery and pathology after CT and hypotonic barium meal examination of gastrointestinal tract.

总结经CT与胃肠钡餐低张造影检查并经手术及病理证实的无功能胰细胞瘤16 例， 分析其CT与胃肠钡餐低张造影的征象。

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