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使用克隆号VE1的BRAF免疫组织化学与甲状腺乳头状癌中的BRAF(V600E)突变检测高度一致。

BRAF Immunohistochemistry Using Clone VE1 is Strongly Concordant with BRAF(V600E) Mutation Test in Papillary Thyroid Carcinoma.

作者信息

Pyo Jung-Soo, Sohn Jin Hee, Kang Guhyun

机构信息

Department of Pathology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, 78 Saemunan-gil, Jongno-gu, Seoul, 110-746, South Korea.

出版信息

Endocr Pathol. 2015 Sep;26(3):211-7. doi: 10.1007/s12022-015-9374-7.

Abstract

The aim of this study was to investigate the concordance between BRAF(V600E) mutation test and immunohistochemistry (IHC) and determine the diagnostic accuracy of IHC for papillary thyroid carcinoma (PTC) through a systematic review, meta-analysis, and diagnostic test accuracy review. The current systematic review and meta-analysis included 1141 PTCs in 11 eligible studies. We investigated the concordance rate and performed subgroup analysis using tissue and cytologic samples. Diagnostic test accuracy review was conducted and calculated using the value of area under curve (AUC) on the summary receiver operating characteristic (SROC) curve. The positive rate of BRAF IHC was 79.1% (903 of 1141 cases), and the BRAF(V600E) mutation was found in 76.6% (874 of 1141 cases). The concordance rates were 0.921 (95% confidence interval (CI) 0.877-0.950) and 0.894 (95% CI 0.801-0.946) in IHC positive and negative subgroups, respectively. In the diagnostic test accuracy review, the pooled sensitivity and specificity were 0.97 (95% CI 0.95-0.98) and 0.78 (95% CI 0.72-0.83). The value of AUC on SROC curve was 0.983, and diagnostic odds ratio was 164.28 (95% CI 57.69-467.80). Our results showed that BRAF IHC was strongly concordant with BRAF mutation test and had high diagnostic accuracy in BRAF mutation analysis of PTC.

摘要

本研究旨在通过系统评价、荟萃分析和诊断试验准确性评价,探讨BRAF(V600E)突变检测与免疫组织化学(IHC)之间的一致性,并确定IHC对甲状腺乳头状癌(PTC)的诊断准确性。当前的系统评价和荟萃分析纳入了11项合格研究中的1141例PTC。我们调查了一致性率,并使用组织和细胞学样本进行亚组分析。采用汇总受试者工作特征(SROC)曲线下面积(AUC)值进行诊断试验准确性评价并计算相关指标。BRAF IHC阳性率为79.1%(1141例中的903例),BRAF(V600E)突变率为76.6%(1141例中的874例)。IHC阳性和阴性亚组的一致性率分别为0.921(95%置信区间(CI)0.877 - 0.950)和0.894(95%CI 0.801 - 0.946)。在诊断试验准确性评价中,汇总敏感性和特异性分别为0.97(95%CI 0.95 - 0.98)和0.78(95%CI 0.72 - 0.83)。SROC曲线下的AUC值为0.983,诊断比值比为164.28(95%CI 57.69 - 467.80)。我们的结果表明,BRAF IHC与BRAF突变检测高度一致,在PTC的BRAF突变分析中具有较高的诊断准确性。

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