Author of

• 14808

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  ORAL 22 - Moving Beyond a Smoking Related-Cancer to the Young, Never-smokers and Inherited Disease (ID 117)

  • Event: WCLC 2015
  • Type: Oral Session
  • Track: Biology, Pathology, and Molecular Testing
  • Presentations: 1
  • Moderators:K. Suda, H.A. Wakelee
  • Coordinates: 9/08/2015, 10:45 - 12:15, Mile High Ballroom 1a-1f

  • 14815

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    ORAL22.07 - Oncogenic Profiling in Lung Adenocarcinoma Emerged in the Youth (ID 686)

    11:50 - 12:01  |  Author(s): J. Shimizu
    • Abstract
    • Presentation
    • Slides

    Background:
    EGFR, Kras mutations and EML4-ALK translocations were frequently positive in adenocarcinoma among lung cancer, and in fewer cases HER2, BRAF mutations or RET, ROS1 translocations were identified. Although adenocarcinomas emerged in the youth are estimatedly associated with some driver oncogenes including these mutations/translocations, the detail remains unknown.
    
    Methods:
    We retrospectively screened 55 consecutive patients who were diagnosed as stage I-IV adenocarcinoma at the age of 40 years or less in 2009-2014. We analyzed clinical and genetic characteristics among them.
    
    Results:
    Out of 55 patients, 21 (38%) were male, 24 (44%) were never-smoker, and 38 (69%) were stage IV, with the median age of 36 years (range; 26-40). Forty-five patients (82%) were identified some driver oncogene. 26 (47%) had EML4-ALK translocation, 13 (24%) had EGFR mutation, and 2 (4%) had Kras mutation. We examined rare oncogenes in 10 out of 14 triple-negative patients, which revealed three patients had HER2 mutation and two had RET translocation.
    
    Conclusion:
    82% of adenocarcinomas emerged in the youth were identified some targetable driver oncogenes. Not only EGFR mutation or EML4-ALK translocation, rare oncogene examination is necessary especially among these populations.
    
    

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