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经内镜检出的胃粘膜脱垂４２１例中，３５～５９岁中年人占５６．５％；轻度脱垂占５８．９％，中度２４．５％，重度１６．６％。其中７７．６％为可复性。轻度脱垂者症状不明显，中、重度者症状不规则，临床表现无特征性。内镜特点：①胃窦及幽门前区粘膜皱壁肥大、松弛；②粘膜皱壁跨入或被挤进幽门；③中、重度脱垂者多伴随粘膜病变。本组半数以上（５８．９％）伴粘膜单纯性炎症或水肿，其余（４１．１％）伴有粘膜糜烂、溃疡或嵌顿出血。
Among 421 cases of gastric mucosal prolapse detected by endoscopy, 56.5% were middle-aged aged 35-59 years, 58.9% were mild prolapse, 24.5% were moderate, and 16.6% were severe. 77.6% of them are refolding. Mild prolapse symptoms were not obvious, moderate and severe symptoms were irregular, no clinical manifestations. Endoscopic features: ① gastric antrum and pyloric mucosal fold wall hypertrophy, relaxation; ② mucosal folds into or squeezed into pylorus; ③, severe prolapse were associated with mucosal lesions. More than half of this group (58.9%) with mucosal simple inflammation or edema, and the remaining (41.1%) associated with mucosal erosion, ulceration or incarcerated bleeding.