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高分辨率肛门镜检查(HRA)是将阴道镜检查应用于肛管和肛门周围区域的一项技术,是目前诊断肛门癌前病变和肛门癌的有效方法。HRA诊断肛门疾病的结果准确可靠,有敏感度高的优点,特别对高级别肛门上皮内瘤变的诊断价值更高。HRA对肛门癌前病变的筛查及降低肛门癌的发生率有重要的临床应用价值,但也有假阳性和漏诊者。综述近年HRA在肛门疾病诊断中的临床应用现状。
High Resolution Anorectal Examination (HRA) is a technique that applies colposcopy to the perianal and perianal areas and is currently an effective method of diagnosing precancerous and anal cancers of the anus. HRA diagnosis of anal disease results accurate and reliable, with the advantages of high sensitivity, especially for the diagnosis of high-grade anal intraepithelial neoplasia is more valuable. HRA screening of anterior precancerous lesions and reduce the incidence of anal cancer has important clinical value, but there are also false-positive and missed patients. The clinical application of HRA in the diagnosis of anal diseases in recent years is reviewed.