Korean Journal of Radiology

The Korean Society of Radiology (대한영상의학회)
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Radiological Report of Pilot Study for the Korean Lung Cancer Screening (K-LUCAS) Project: Feasibility of Implementing Lung Imaging Reporting and Data System

  • Lee, Ji Won (Department of Radiology, Pusan National University School of Medicine and Medical Research Institute, Pusan National University Hospital) ;
  • Kim, Hyae Young (Department of Diagnostic Radiology, National Cancer Center) ;
  • Goo, Jin Mo (Department of Radiology, Seoul National University College of Medicine) ;
  • Kim, Eun Young (Department of Radiology, Gachon University Gil Medical Center) ;
  • Lee, Soo Jung (Department of Radiology, Chungbuk National University Hospital) ;
  • Kim, Tae Jung (Department of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Kim, Yeol (Cancer Early Detection Branch, National Cancer Control Institute, National Cancer Center) ;
  • Lim, Juntae (Cancer Early Detection Branch, National Cancer Control Institute, National Cancer Center)
  • Received : 2017.09.04
  • Accepted : 2017.12.20
  • Published : 2018.08.01
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Abstract

Objective: To report the radiological results of a pilot study for the Korean Lung Cancer Screening project conducted to evaluate the feasibility of lung cancer screening using low-dose chest computed tomography (LDCT) in Korea. Materials and Methods: The National Cancer Center and three regional cancer centers participated in this study. Asymptomatic current or ex-smokers aged 55-74 years with a smoking history of at least 30 pack-years who had used tobacco within the last 15 years were considered eligible. In total, 256 participants underwent LDCT November 2016 through March 2017. The American College of Radiology Lung Imaging Reporting and Data System (Lung-RADS) was used to categorize the LDCT findings. Results: In total, 57%, 35.5%, 3.9%, and 3.5% participants belonged to Lung-RADS categories 1, 2, 3, and 4, respectively. Accordingly, 7.4% participants exhibited positive findings (category 3 or 4). Lung cancer was diagnosed in one participant (stage IA, small cell lung cancer). Other LDCT findings included pulmonary emphysema (32.8%), coronary artery calcification (30.9%), old pulmonary tuberculosis (11.7%), bronchiectasis (12.9%), interstitial lung disease with a usual interstitial pneumonia pattern (1.2%), and pleural effusion (0.8%). Conclusion: Even though the size of our study population was small, the positive rate of 7.4% was like or lower than those in other lung cancer screening studies. Early lung cancer was detected using LDCT screening in one participant. Lung-RADS may be applicable to participants in Korea, where pulmonary tuberculosis is endemic.

Keywords

Acknowledgement

Supported by : Ministry for Health and Welfare, National Cancer Center

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