Toassessthevalueofminiatureprobeendoscopicultrasonography(mEUS)inthediagnosison prominence lesions of upper gastrointestinal tract. Methods:All 71 patients which had prominence lesions of upper gastrointesti-nal tract were detected by miniature probe endoscopic ultrasonography,some of which were subjected to endoscopic therapy, surgery operation or follow up according to the different driving layers. Results:Eight polypus,13 cystis,3 etopic pancreaces in stomach,4 lipomas,3 protuberance oppressed from outside organ,48 submucous tumors. Parts of the patients were treated by endoscopy or surgey operation,and the diagnostic coincidence rate of pathologic and miniature probe endoscopic ultrasonogra-phy was 94%. Conclusion:The size,layer of origin on prominence lesions of upper gastrointestinal tract can be distinguished by mEUS,which is important in the choice of therapy.%目的：探讨微探头超声内镜（ mEUS）在上消化道隆起性病变中的诊断和治疗作用。方法：对71例上消化道隆起性病变的患者行微探头超声内镜检查，根据隆起性病变的起源层次，患者接受内镜下治疗、外科治疗或随访。结果：息肉8例，囊肿5例，异位胰腺3例，脂肪瘤4例，腔外压迫3例，黏膜下肿瘤48例，均明确了解了病变的起源层次。对部分患者行内镜下治疗、外科手术，术后病理诊断与超声诊断符合率达94%。结论：mEUS检查能明确上消化道隆起性病变的大小、起源层次，对治疗方案的选择有指导意义。
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