目的分析16例回盲瓣脱垂的CT 表现及诊断要点。材料和方法 回顾性分 析经结肠镜及手术证实的16例回盲瓣脱 垂患者的CT表现。结果 所有患者CT均显 示回盲部肠粘膜下大量脂肪密度影。4 例显示不规则的软组织肿块影；11例显 示肠壁不规则偏心性增厚；7例显示肠管 壁较均匀性增厚，可见回肠肠粘膜套入 形成半月征或环形征象，其中3例见偏心 或外周气泡影。结论 回盲瓣脱垂有其特 征性CT表现，同时结合结肠镜及临床分 析，提高诊断准确性。

Objective To analyze the CT manifestations and diagnostic criteria 16 cases of ileocecal valve prolapse. Materials and Methods A retrospective analysis of colonoscopy and surgery confirmed 16 cases of the ileocecal valve prolapse CT manifestations. Results All patients showed CT ileocecal mucosa under a lot of fat density. 4 cases of irregular soft tissue mass; 11 cases displayed irregular eccentric thickening of the intestinal wall; seven cases displayed a more uniform thickening of the intestinal wall, ileal mucosa visible crescent sign or set into a ring formation signs, including three cases see eccentric or peripheral bubbles shadow. Conclusion The ileocecal valve prolapse has its characteristic CT findings, combined with colonoscopy and clinical analysis, improve diagnostic accuracy.