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1、上海第二醫(yī)科大學(xué)碩士學(xué)位論文早期胃癌淋巴結(jié)微轉(zhuǎn)移的臨床病理研究姓名:王曉彥申請學(xué)位級別:碩士專業(yè):外科學(xué)(普外)指導(dǎo)教師:朱正綱2003.4.1早期胃癌淋巴結(jié)微轉(zhuǎn)移的臨床病理研究中文摘要目的:早期胃癌患者即使手術(shù)后常規(guī)病理稔查未發(fā)現(xiàn)區(qū)域性淋巴結(jié)轉(zhuǎn)移,仍有部分患者歹E于腫瘤的復(fù)發(fā)。本課題運用免疫組化染色檢森豁方法磷究早期胃癌漆巴結(jié)徽轉(zhuǎn)移與腫瘤臨床病瑾的關(guān)系,并搽討合理的手術(shù)治療方案。方法:我們對50例術(shù)后常規(guī)病理檢查無淋巴結(jié)轉(zhuǎn)移靜早期鷺癌患者共1004放灌鏊結(jié)霉次避行強歪染色及免疫縫化染色病理學(xué)檢查。免疫組化染色檢查選用抗細(xì)胞角質(zhì)的單克隆抗體CAM5。2;微轉(zhuǎn)
2、移與瞧廉瘸理裹素盼關(guān)系采臻X2檢驗;微轉(zhuǎn)移與旱期謝癌患者預(yù)艏之間的關(guān)系采用log-rank檢驗。結(jié)果;檢查結(jié)果發(fā)現(xiàn)在12例(24%)患者的39撥(3。88%)淋巴結(jié)中存在微轉(zhuǎn)移。微轉(zhuǎn)移的發(fā)生與原發(fā)腫瘤的組織學(xué)分類有關(guān),彌漫型較腸型熙易發(fā)生f代O.05),在34例彌漫型早期胃癌中有l(wèi)l例患者存在微轉(zhuǎn)移(32.35%),褥16例腸鰲早期臀瘸患者中僅有l(wèi)飼存在微轉(zhuǎn)移(6.25%)?;巳粵]有統(tǒng)計學(xué)差異,但原發(fā)腫瘤直徑大于2.0cm或黏膜F盼旱鬻霉臻較之蒙發(fā)瓣癯壹徑小予2.0cm或役隈予囂膜矮的旱纛胃癌更易發(fā)生淋巴結(jié)微轉(zhuǎn)移。結(jié)論:應(yīng)用抗細(xì)胞角質(zhì)的蕈嵬隆抗體CAM5.2
3、戇免疫縫織化學(xué)染色方法,對{二檢測暈期黌癌區(qū)域熄游邑結(jié)微轉(zhuǎn)移具有較高的敏感性,是一種假得臨床推廣普及的方法。雖然以單個纓旎形式存在予漆融結(jié)中的微轉(zhuǎn)移灶i羥庶意義滏不明確,但是淋巴結(jié)微轉(zhuǎn)移對于早期胃瘸患者的預(yù)廄確實有一寇的負(fù)面影響。原發(fā)灶大于2.0cm濺已侵及粘膜下層或呈彌漫性生長的早期胃癌患者由予發(fā)生區(qū)域憔漤巴結(jié)微轉(zhuǎn)移豹可縫性較高,放不適合應(yīng)用經(jīng)內(nèi)鏡牯膜切除術(shù)(EMR)等微創(chuàng)外科手術(shù)治療。關(guān)鍵詞;早期潛癌淋巴結(jié)微轉(zhuǎn)移預(yù)后免疫縫織化學(xué)綱胞憊殛蛋自Cli魏leop囂l基ologiealstudyoflymphnodemicrometastasisinpatien
4、tswithearlygastrccancerAbstractObjective:Incasesofearlygastriccancer,evenwhenstandardhistologicalstainingrevealsnoevidenceofmetastasesintheregionallymphnodess,patientsstillmaydieofpost—operativerecurrenceofthetumor.Anattemptwasmadeinthepresentstudytoexplainsomeclinico—pathologicalf
5、actorsofsuchpatientsbyinvestigatingmicrometastasisinlymphnodesbyimmunohistochemicaldetectiontechnique.Methods:50casesofearlygastriccancer,whichwereprovedbypost—operativeH.Epathologicalexaminationwithoutregionallymphnodesmetastases,areincludedinthisstudy.Atotalnumberof1004lymphnodes
6、fromthese50patientsarerestainedwithH。Eandimmunohistochemicaltechniquerespectively.Immunohistochemicalstainingwasperformedbythestreptavidin-biotinimmunoperoxidasemethodwithmonoclonalantibodyCAM5,2(BectonDickinson)whichspecificallyrecognizesintracellularCKcomponents8andt8。Statistical
7、analysiswasperformedbyX2testtoexaminetherelationbetweenthelymphnodemicrometastasisandclinicopathologicalcharacteristicsoftheprimarytumorsandthelog-ranktestwasusedtoexaminetherelationbetweenthelymphnodemicrometastasisandprognosis。Results:Evidenceofmicrometastasiswasfoundin39of1004(3
8、.88%)lymphnodesandin12of50