论著联动成像结合化学染色技术在大肠侧向发育型肿瘤分型中的应用价值秦士钊a潘晓莉a尹跃霏a陈赛龄a杨文翠b∗(西安国际医学中心医院:a.消化内科;b.放射治疗中心,陕西西安710100)[摘要]【目的】探讨联动成像(LCI)结合化学染色技术在大肠侧向发育型肿瘤(LST)分型中的应用价值.【方法】回顾性分析在本院行LCI结合化学染色技术诊断的82例结直肠肿瘤患者(89处病变)的检查图像,对患者病灶表面的小凹形态进行判断,并依据黏膜表面细微腺管开口(Pit)形态分型预测病变性质.对比分析Pit分型与内镜下切除术后病理结果.【结果】Ⅰ、Ⅱ和ⅡG0型诊断多为锯齿状病变(SSP)/增生性息肉(HP)的灵敏度、特异度及准确度分别为55.56%、96.25%、92.13%;ⅢS型单独诊断黏膜下浸润癌浸润深度≥100mm(SMd)的灵敏度、特异度及准确度分别为20.00%、98.81%、94.38%;ⅢL和Ⅳ型诊断低度异型增生(LGD)/高度异型增生(HGD)的灵敏度、特异度及准确度分别为92.31%、83.33%、89.89%;Ⅴn型单独诊断SMd的灵敏度、特异度及准确度分别为40.00%、97.62%、94.38%;Ⅴi和Ⅴn型诊断黏膜内癌或黏膜下浸润癌但浸润深度<100mm(mGSMs)/SMd的灵敏度、特异度及准确度分别为86.67%、97.30%、95.51%;ⅢS型和Ⅴn型诊断SMd的灵敏度、特异度及准确度分别为60.00%、96.43%、94.38%.【结论】LCI结合化学染色术能够对结直肠肿瘤的Pit形态准确完整展现,更易判断肿瘤的病变性质是否为恶性,并可对肿瘤的浸润深度进行预判,其与病理诊断结果的符合率较高.[关键词]结直肠肿瘤/诊断;结肠镜检查;免疫组织化学ApplicationofLinkedColorImagingCombinedwithChemicalStainingTechniqueintheClassificaGtionofLaterallySpreadingTumorofLargeIntestineQINShizhao,PANXiaoli,YINYuefei,etal(DepartmentofGastroenterology,Xi'anInternationalMedicalCenterHospital,Xi'anShaanxi710100)[Abstract]【Objective】Toexploretheapplicationoflinkedcolorimaging(LCI)combinedwithchemicalstaiGningtechnologyintheclassificationoflaterallyspreadingtumorofcolorectaltumors(LST).【Methods】TheexamGinationimagesof82patientswithcolorectaltumors(89lesions)diagnosedbyLCIcombinedwithchemicalstaiGningtechnologyinourhospitalwereretrospectivelyanalyzed,andthemo...