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专家账号密码找回目的 探讨内镜黏膜下剥离术（ESD）治疗≥10 cm直肠侧向发育型肿瘤（LST）的临床效果及安全性。方法 回顾性分析3例≥10 cm直肠LST患者的临床表现及ESD治疗过程。结果 3例患者的直肠LST均通过ESD达到整块切除效果，术中及术后无明显出血及穿孔发生，术后病理提示切缘为阴性。1例患者术后1个月出现直肠狭窄，经过球囊扩张治疗后恢复良好。结论 ESD治疗≥10 cm的直肠LST可以达到完全切除效果，安全性良好。
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更新时间：2026-03-05
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内镜黏膜下剥离术在≥10 cm直肠侧向发育型肿瘤治疗中的应用效果——3例病例报告
Application effect of endoscopic submucosal dissection in the treatment of ≥10 cm rectal laterally spreading tumors: 3 case reports
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Objective To investigate the clinical effect and safety of endoscopic submucosal dissection (ESD) in the treatment of ≥10 cm rectal laterally spreading tumor (LST). Methods Clinical manifestations and ESD therapeutic process of 3 patients with ≥10 cm rectal LST were retrospectively analyzed. Results Rectal LST of all three patients achieved a whole⁃piece resection through ESD, with no significant bleeding or perforation during or after surgery, and their pathology indicated a negative margin. One patient developed rectal stenosis a month after surgery, which healed favorable after balloon dilation therapy. Conclusion ESD for treating ≥10 cm rectal LST can achieve effect of complete resection, whereas it has a good safety.
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