EGFR mutations in non-small cell lung cancer: an audit from West China Hospital

Autor: Wei-Ya Wang, Wenyan Zhang, Ke Zheng, Jie Chen, Xueying Su, Lili Jiang, Yan Zou, Weiping Liu, Yuan Tang
Rok vydání: 2016
Předmět:
Zdroj: Expert Review of Molecular Diagnostics. 16:915-919
ISSN: 1744-8352
1473-7159
DOI: 10.1080/14737159.2016.1199961
Popis: Objectives: To discover the incidence and characteristics of EGFR mutations in non-small cell lung cancer (NSCLC) in a single, large cohort as a part of routine diagnostic investigations. Methods: We reviewed EGFR mutations investigated by Amplification Refractory Mutation System (ARMS) PCR (covering 29 known mutations) using DNA samples from FFPE tissue or cell clot specimens in a total of 3894 cases of NSCLC analysed between 2012-2014. Results: EGFR mutations are preferentially associated with adenocarcinomaand adenosquamous histology, particularly those well to moderately differentiated, and were significantly more common in female than male patients irrespective of histological subtypes. Exon 19 deletion (45.7%) and exon 21 L858R (45.6%) accounted for the vast majority of the EGFR mutations detected, with the remaining mutations being infrequent (Conclusion: Our data represents the largest EGFR mutation survey based on routine clinical diagnostic laboratory data from a single institution, it confirms the incidence and characteristics of EGFR mutations in NSCLC seen in Asian patients, and also unravels the combinatorial nature of rare compound EGFR mutations.
Databáze: OpenAIRE