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Update on Immunohistochemistry for the Diagnosis of Lung Cancer.

Update on Immunohistochemistry for the Diagnosis of Lung Cancer.
Author Information (click to view)

Inamura K,


Inamura K, (click to view)

Inamura K,

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Cancers 2018 03 1410(3) pii 10.3390/cancers10030072

Abstract

Immunohistochemistry is a widely available technique that is less challenging and can provide clinically meaningful results quickly and cost-efficiently in comparison with other techniques. In addition, immunohistochemistry allows for the evaluation of cellular localization of proteins in the context of tumor structure. In an era of precision medicine, pathologists are required to classify lung cancer into specific subtypes and assess biomarkers relevant to molecular-targeted therapies. This review summarizes the hot topics of immunohistochemistry in lung cancer, including (i) adenocarcinoma vs squamous cell carcinoma; (ii) neuroendocrine markers; (iii) ALK, ROS1, and EGFR; (iv) PD-L1 (CD274); (v) lung carcinoma vs malignant mesothelioma; and (vi) NUT carcinoma. Major pitfalls in evaluating immunohistochemical results are also described.

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