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目的分析大肠侧向发育型肿瘤(LST)的临床特征,评估其内镜下治疗的疗效。方法回顾性分析2005年6月至2009年6月孝感市中心医院进行的4636例结肠镜检查患者,发现病灶后均进行黏膜染色,记录患者的发病年龄以及病灶的部位、大小、形态、病理分析及随访结果。结果 4636例患者共检测出LST 32处,其中颗粒均一型10个(46.6%),结节混合型15个(25.9%),平坦隆起型6个(18.1%)、假凹陷型1个(7.8%)。病变分布:直肠15个(46.8%),乙状结肠6个(19.7%),降结肠5个(15.6%),横结肠3个(0.09%),升结肠3个(0.09%)。病理检查:32处病变中,管状腺瘤6例,绒毛状腺瘤14例,管状绒毛状腺瘤9例,锯齿状腺瘤3例,其中有3例合并早期癌变,2例为黏膜内癌,1例为sm1癌。结论大肠侧向发育型肿瘤作为一种新型的大肠肿瘤,不同于一般的腺瘤,需引起内镜医师的重视。结合染色内镜,对LST进行内镜下治疗是安全可行的。
Objective To analyze the clinical features of laterally developing colorectal tumors (LST) and evaluate the efficacy of endoscopic treatment. Methods A total of 4636 colonoscopy patients from June 2005 to June 2009 in Xiaogan Central Hospital were retrospectively analyzed. The mucosa was stained after the lesion was found. The age of the patients and the location, size, shape and pathology of the lesions were recorded And follow-up results. Results A total of 46 LSTs were detected in 4636 patients, of which 10 were uniform (46.6%), 15 (25.9%) were nodular mixed, 6 (18.1% %). Lesions distribution: rectum 15 (46.8%), sigmoid colon 6 (19.7%), descending colon 5 (15.6%), transverse colon 3 (0.09%), ascending colon 3 (0.09%). Pathological examination: 32 lesions, tubular adenoma in 6 cases, villous adenoma in 14 cases, tubular villous adenoma in 9 cases, serrated adenoma in 3 cases, of which 3 cases with early cancer, 2 cases of mucosal carcinoma , One case of sm1 cancer. Conclusion As a new type of colorectal tumor, the laterally developing colorectal tumor is different from the common adenoma and needs to be paid more attention by endoscopists. Combined with staining endoscopy, endoscopic treatment of LST is safe and feasible.