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目的依据工藤进英的pit pattern原理,分析大肠侧向发育型肿瘤(LST)的分型方法、内镜下诊断治疗的临床方法及效果。方法经内镜检查发现的18例LST患者纳入研究小组,根据工藤进英的pit pattern分型方法进行分析。结果 18例LST患者内镜下发现23处病变,主要以颗粒均一型和结节混合型为主,占86.96%。患者经内镜下切除手术(EMR/EPMR)治疗均已治愈,术后1年内复查无复发。结论采用内镜下黏膜切除术治疗LST,安全系数高,值得临床推广使用。
Objective To analyze the classification method of lateral developmental tumor (LST) in large intestine and the clinical methods and effects of endoscopic diagnosis and treatment based on pit pattern principle of Kudo Jinying. Methods Eighteen patients with LST discovered by endoscopy were enrolled in the study group and analyzed according to Pit Kato’s method of pit pattern typing. Results Eighteen patients with LST were found to have 23 lesions under endoscopy. The lesions were predominantly homozygous and nodular, accounting for 86.96%. Patients underwent endoscopic resection (EMR / EPMR) treatment were cured, no recurrence within 1 year after the review. Conclusion Endoscopic mucosal resection for the treatment of LST, high safety factor, it is worth promoting the use of the clinic.