ARCH PATHOL LAB MED:p16免疫组化和其他生物标记与宫颈异常诊断的关系?

2020-06-25 MedSci原创 MedSci原创

下肛门生殖器鳞状细胞术语学(LAST)标准化建议将p16INK4a免疫组织化学(p16 IHC)用于形态学诊断为宫颈上皮内瘤样变(CIN)2级(CIN2)的活检,以将其进行分类。

下肛门生殖器鳞状细胞术语学(LAST)标准化建议将p16INK4a免疫组织化学(p16 IHC)用于形态学诊断为宫颈上皮内瘤样变(CIN)2级(CIN2)的活检,以将其进行分类:低度或高度鳞状上皮内病变(HSILs)。本研究描述了p16 IHC和其他与宫颈癌风险相关的生物标记物与活检诊断的关系。

全州范围内,由社区病理学家(CPs)分层抽样的宫颈活检诊断,包括1512 CIN2,并通过专家病理学家专家组(EP)审查(无p16 IHC结果)及共识。此外,第三方病理学组对p16 IHC进行解释以及对人乳头瘤病毒 (HPV)基因分型,其结果根据癌症风险进行分级分组,包括以前的细胞学解释。

随着CP诊断严重程度,总体(Ptrend≤.001)和每个HPV风险组(Ptrend≤.001除外,低风险HPV [Ptrend <.010]除外)活检组织更有可能检测p16 IHC阳性。 所有诊断为CP的活检的异常分级,HPV风险较高的人群均检测到p16 IHC阳性(Ptrend <.001),HPV风险较高的人群与p16 IHC阳性相关的检测要高于p16 IHC阴性。p16 IHC阳性,经CP诊断的CIN2活检比经CP诊断的CIN3活检检测HPV16阳性,HSIL +细胞学较早或被EP诊断为CIN3 +的可能性更低(所有P均<.001)。 p16 IHC阳性,CP诊断的CIN1活检的HPV风险组低于p16 IHC阴性,CP诊断的CIN2活检(P <0.001)。

研究结果表明,p16 ihc阳性,cp诊断的CIN2似乎比cp诊断的CIN3的癌症风险更低。“高级别鳞状上皮内病变”诊断的最后分类,包括p16 ihc阳性的CIN2,应结合形态学诊断(CIN2或CIN3),以指导所有管理决策,这对于被诊断为CIN2的年轻(30岁以下)女性尤其重要,建议对她们进行监测而不是治疗。

原始出处:

Philip E. Castle, PhD, MPH; Rachael Adcock, BS;Relationships of p16 Immunohistochemistry and Other Biomarkers With Diagnoses of Cervical Abnormalities: Implications for LAST Terminology

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    2020-08-25 yb6560
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    2020-06-26 一闲
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