Immunohistochemistry, Fluorescence in Situ Hybridization, and Reverse Transcription–Polymerase Chain Reaction for the Detection of Anaplastic Lymphoma Kinase Gene Rearrangements in Patients With Non–Small Cell Lung Cancer: Potential Advantages and Methodologic Pitfalls

Abstract excerpt

CONTEXT: Echinoderm microtubule-associated protein-like 4 gene (EML4) and anaplastic lymphoma kinase gene (ALK) fusion was shown to be the driver of tumorigenesis in approximately 3% to 5% of patients with non-small cell lung cancer (NSCLC) and is associated with response to inhibition with crizotinib. However, no complete agreement regarding the best diagnostic test for identification of ALK rearrangements has...

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