To study the accuracy of endoscopy in diagnosis of gastroduodenitis in children, the author compared the endoscopic and pathological findings in 242 children with upper digestive tract symptoms. 为探讨内镜检查小儿胃十二指肠炎的准确性,将242例有上消化道症状的患儿内镜下诊断和粘膜组织病理学检查做对照比较。