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[目的]探讨联合应用放大内镜窄带成像技术(magnifying endoscopy with narrow-band imaging,MENBI)及高频超声微探头(high-frequency mini-probe sonography,HFMPS))对大肠广基型/侧方发育型病变进行术前评估及微创诊疗中的应用价值。[方法]对行结肠镜检查发现大肠广基型/侧方发育型病变且符合入选标准的73例患者,联合应用ME-NBI及HFMPS进行术前评估,根据Sano微血管形态分型及超声内镜对病变浸润深度的判断,将病变浸润深度分为黏膜内或黏膜下层上1/3(m/sm1)和黏膜下层中1/3及以上(>sm2),并对照术后病理对其判断准确性做出判断。[结果]73例患者中腺瘤54例,大肠癌19例(8例m/sm1癌、11例>sm2)。ME-NBI及HFMPS对70例患者做出了准确的判断,判断的准确度95.89%、灵敏度90.91%、特异度96.77%、阳性预测值83.33%、阴性预测值98.36%。[结论]ME-NBI联合HFMPS对于大肠广基型/侧方发育型病变的术前评估有着良好的应用价值,有助于选择合适的治疗方案,避免不恰当的治疗。
[Objective] To explore the effect of combined use of magnifying endoscopy with narrow-band imaging (MENBI) and high-frequency mini-probe sonography (HFMPS) Type lesions for preoperative evaluation and minimally invasive diagnosis and treatment of the value. [Methods] The 73 patients with large intestine wide type / lateral developmental disease who met the inclusion criteria underwent colonoscopy were evaluated preoperatively with ME-NBI and HFMPS. According to Sano microvascular morphological classification and endoscopic ultrasonography To determine the depth of invasion of the lesion, the depth of invasion was divided into 1/3 (m / sm1) in the mucosa or submucosa and 1/3 and above (> sm2) in the submucosa, and the accuracy was judged according to the postoperative pathology Make a judgment [Results] Among the 73 patients, 54 were adenomas, 19 were colorectal carcinomas (8 patients with m / sml cancer and 11 patients were> sm2). ME-NBI and HFMPS made accurate judgment on 70 patients. The accuracy of the judgment was 95.89%, the sensitivity was 90.91%, the specificity was 96.77%, the positive predictive value was 83.33%, the negative predictive value was 98.36%. [Conclusion] ME-NBI combined with HFMPS has a good value in the preoperative evaluation of wide-base / lateral-developmental lesions and helps to choose the appropriate treatment and avoid inappropriate treatment.