在基于人口的HPV DNA查计划中,p16免疫染的诊断性能和临床实用性
Thais Gimenes Sardinha1, Diama Bhadra Vale1, Michelle Garcia Discacciati2
1University of Campinas (UNICAMP), Department of Obstetrics and Gynecology, Cidade Universitaria - Campinas, São Paulo, Brazil.
概括
宫活检中的p16表达显著改善了高风险人类乳头瘤病毒 (HPV) 阳性女性的风险分层. 这种生物标志物提高了诊断的准确性,并指导适当的治疗,这对于宫癌预防策略至关重要.
科学领域:
- 妇科 妇科医生 妇科
- 在瘤学瘤学.
- 病理学 病理学 病理学
背景情况:
- 宫癌查依赖于检测高风险的人类乳头瘤病毒 (HPV).
- 准确的风险分层和HPV阳性女性的管理对于有效的预防至关重要.
- p16INK4a免疫组织化学是评估宫病变的潜在生物标志物.
研究的目的:
- 评估p16表达及其在真实世界查计划中的HPV阳性女性的宫活检中的临床实用性.
- 评估p16表达与HPV基因型,病变等级和临床管理的相关性.
- 确定p16对诊断升级和治疗分配的影响.
主要方法:
- 在巴西 (2017-2022) 基于人口的HPV DNA查计划中进行了一项诊断测试研究.
- 从接受大肠镜检查的HPV阳性女性的宫活检分析了p16(INK4a) 表达.
- 统计分析包括千平方测试,费舍尔精确测试和物流回归来评估关联.
主要成果:
- 在696次活检中,48.4%为p16阳性,阳性随病变严重程度而增加 (CIN2: 80.0%,CIN3/AIS: 95.1%).
- p16阳性与显著宫病变的几率增加了20倍 (OR 20.2).
- 与p16阴性病例相比,p16阳性病例的切除治疗率 (61.7%) 和诊断升级率 (19.9%) 较高.
结论:
- 在以人口为基础的查中进行系统的p16评估可以提高风险分层和诊断准确性.
- 将p16整合到宫癌预防策略中可以改善治疗分配,特别是在资源有限的环境中.
- 在宫癌查中,p16表达是优化诊断精度和治疗平衡的宝贵工具.
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