方法：本组8例病人，术前经X线钡餐造影检查确诊，用从单球囊到双球囊逐渐扩张的方法连续多次扩张。
Methods: 8 cases were diagnosed with barium meal by X-ray therapy before operation, by dilating gradually single balloon to double balloon.
结果在各种检查中上消化道钡餐造影、CT 和血管造影诊断价值较大，而B超和放射性核素显像的诊断价值较小。
Results In the modalities, barium radiography of upper digestive tract, CT and angiography possess high diagnostic value, however B mode US and X scintigraphy have low diagnostic value.
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。
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.
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