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作 者:肖艳华[1] 罗红彬[2] 肖冠英[1] 易俊卿[1] 陈厚志[1] 吴丹丹[1]
机构地区:[1]广州市第八人民医院病理科,510060 [2]广州市第八人民医院消化内科,510060
出 处:《中华临床感染病杂志》2015年第4期327-331,共5页Chinese Journal of Clinical Infectious Diseases
基 金:广东省人口和计划生育委员会科研项目(20110316);国家临床重点专科建设项目经费资助(2013-2014年度感染病科)
摘 要:目的:研究艾滋病患者结肠镜活检组织的病理学特征,了解引起肠道机会性感染的病原体种类。方法选择广州市第八人民医院2010至2014年临床确诊艾滋病并有腹痛、腹泻、里急后重等肠道症状的感染科住院患者310例。所有患者进行结肠镜检查获取活检样本,通过HE染色、特殊染色,包括六胺银( GMS)、高碘酸雪夫( PAS)、抗酸染色及巨细胞病毒( CMV)的免疫组织化学染色,总结分析结肠镜活检组织的病理学特征,确定艾滋病患者肠道机会性感染的病原体。结果艾滋病患者肠道内镜活检组织病理检查主要表现为黏膜慢性炎症改变(93.9%),部分严重者黏膜上皮变性坏死,局部糜烂及溃疡形成。310例艾滋病患者中,139例(44.8%)检出病原体,其中CMV感染47例(15.2%),分枝杆菌感染36例(11.6%)、马尔尼菲青霉感染21例(6.8%),隐球菌感染10例(3.2%),白色假丝酵母菌感染3例(1.0%),隐孢子虫感染2例(0.6%),其他未能确定类型的真菌及细菌感染共20例(6.5%)。结论艾滋病患者的肠道病变以肠道慢性炎症多见,肠镜黏膜活检病理检查能在一定程度上明确肠道机会性感染的病原体。Objective To investigate the histopathological characteristics of colonoscopic biopsy specimens from AIDS patients .Methods A total of 310 clinically confirmed AIDS patients with abdominal pain, diarrhea or tenesmus were enrolled from Guangzhou NO .8 People’s Hospital during 2010 and 2014. All patients underwent colonoscopic examination , and the biopsy specimens were collected .Conventional HE staining, special stainings including Gomori’s methenamine silver ( GMS), Periodic Acid-Schiff stain (PAS), acid-fast staining, and immunohistochemical staining of cytomegalovirus (CMV) were performed. Results The biopsy specimens showed mucosa chronic inflammation (93.9%), epithelial degeneration and necrosis;the local erosion and ulcer formation were observed in severe cases .Among 310 patients, the infective pathogens were identified in 139 ( 44.8%) cases, including 47 ( 15.2%) cases with CMV infections, 36(11.6%) cases with mycobacterium infections , 21(6.8%) cases with penicillium marneffei infections, 10(3.2%) cases with Cryptococcus infections, 3(1.0%) cases with candida infections, 2(0.6%) cases with cryptozoite infections and the rest 20(6.5%) cases were with uncertain pathogens . Conclusion Chronic inflammatory lesions are common in patients with AIDS , and colonoscopic mucosal biopsy can help to identify the pathogens of intestinal opportunistic infection .
关 键 词:获得性免疫缺陷综合征 结肠镜检查 艾滋病相关机会致病菌感染 病理学
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