期刊
AMERICAN JOURNAL OF SURGICAL PATHOLOGY
卷 44, 期 9, 页码 1259-1265出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/PAS.0000000000001507
关键词
SOX6; epithelioid mesothelioma; lung adenocarcinoma; immunohistochemistry
资金
- JSPS KAKENHI [17K08742]
- Grants-in-Aid for Scientific Research [17K08742] Funding Source: KAKEN
The differential diagnosis of epithelioid mesothelioma from lung adenocarcinoma using immunohistochemistry is improving. However, immunohistochemical markers with high sensitivity and specificity have yet to be identified. In this study, we investigated the utility of sex-determining region Y box 6 (SOX6) as a novel immunohistochemical marker, identified by analyzing previous gene expression data. Immunohistochemically, SOX6 expression was present in 53 of 54 (98%) cases of epithelioid mesothelioma, compared with its expression in only 5 of 69 (7%) cases of lung adenocarcinoma. The sensitivity and specificity of SOX6 expression for differentiating epithelioid mesothelioma and lung adenocarcinoma were 98% and 93%, respectively. SOX6 expression showed similar sensitivity and far better specificity than those of calretinin or podoplanin (D2-40). In addition, SOX6 expression was more sensitive than Wilms' tumor 1 expression. The combination of SOX6 with other markers showed comparable or better sensitivity and specificity relative to other combinations. In particular, the sensitivity of positivity for both SOX6 and calretinin (96%) and the specificity of positivity for both SOX6 and Wilms' tumor 1 (93%) were higher than those of the other combinations. In conclusion, SOX6 is a novel candidate immunohistochemical marker for differentiating epithelioid mesothelioma from lung adenocarcinoma.
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