The detective rate of GIST was 100%, 75%, 100% and 100% respectively by pneumobarium doublecontrastexamination, 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%。
2
Methods in the 1795 patients, 1594 cases accepted doublecontrastexamination 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。
3
Conclusion Hypotonic doublecontrastexamination combined with CT scan, it is very helpful to improve the diagnostic and differential ability of gastric leiomyosarcoma.