Performance Evaluation of Diagnostic X-Ray Equipment Regarding the Hospital Size in the Republic of Korea

Document Type : Original Paper


Radiological Science, Gachon University Medical Campus, Incheon, Korea


Introduction: The Republic of Korea has developed a national standard based on which diagnostic X-ray equipment must be tested every 3 years. Accordingly, the performance of X-ray equipment used in all hospitals is evaluated by national certification bodies in compliance with the safety management regulations for X-ray equipment. However, if the equipment is non-compliant, its use must be stopped until it satisfies the accepted standards.
Material and Methods: In compliance with the safety management regulations for diagnostic X-ray equipment, hospitals in this study were divided into two groups, namely the general hospital group and the clinic group with diagnostic X-ray equipment. The samples in this study were composed of 11 and 18 machines selected randomly from general hospitals and clinics, respectively, which satisfied the acceptance standards since last year in both groups. The evaluation of diagnostic X-ray machines was based on the results obtained from X-ray tube voltage, tube current, exposure time accuracy, and the X-ray dose reproducibility.
Results: The X-ray machines of the general hospital group followed all national standards. However, those of the clinic group failed to satisfy the requirements of tube voltage, tube current, exposure time accuracy, and X-ray dose reproducibility.
Conclusion: Clinics require their own quality control to reduce unnecessary medical radiation exposure due to the poor X-ray equipment performance. Moreover, it is suggested that the test period of the safety management regulations on diagnostic X-ray equipment need to be shorter than three years.


Main Subjects

  1. References


    1. Kang BS, Lee KM, Shin WY, Park SC, Choi HD, Cho YK. Analyze for the Quality Control of General X-ray Systems in Capital region. Journal of the Korean Society of Radiological Technology. 2012;35(2):93-102.
    2. Kharita MH, Wannus KM, Khedr MS. Evaluation of the Quality Control Program for Diagnostic Radiography and Fluoroscopy Devices in Syria during 2005-2013. Iranian Journal of Medical Physics. 2017;14(2):92-7.
    3. Ministry of Health and Welfare Regulations [homepage on the Internet]. The Rules on Safety management for Diagnostic Radiographic Unit. No.528[cited 2017 Dec 22]. Available from: .
    4. Tran NT, Iimoto T, Kosako T. Calibration of KVp meter used in quality control tests of diagnostic X-ray units. Radiat Prot Dosimetry. 2012;148(3):352-7.
    5. Sung-chul K. Feasibility of Using the Clamp meter in Measuring X-ray Tube Current. International Journal of Contents. 2013;9(1):38-41.
    6. Ministry of Health and Welfare Regulations [homepage on the Internet]. The Medical Law. No.15540[cited 2018 Mar 30]. Available from:
    7. IEC 60601-2-54 Medical electrical equipment – Part 2-54:Particular requirements for the basic safety and essential performance of X-ray equipment for radiography and radioscopy. INTERNATIONAL ELECTROTECHNICAL COMMISSION. 2015.
    8. Hassan GM, Rabie N, Mustafa KA, Abdel-Khalik SS. Study on the quality assurance of diagnostic X-ray machines and assessment of the absorbed dose to patients. Radiation Effects and Defects in Solids. 2012;167(9):704-11.
    9. John M.B, Dianna D.C, Jane R.F. AAPM REPORT NO. 74, Quality Control in Diagnostic Radiology. American Association of Physicists in Medicine by Medical Physics Publishing. 2002.
    10. Mohsen A, Mohammad T B.T, Ali E, Masoumeh G. Quality Control Assessment of Conventional Radiology Devices in Iran. Iranian Journal of Medical Physics. 2017;14(1):1-7.
    11. JH. Park, IC Lim, KR. Dong, SS. Kang. A performance evaluation of diagnostic X-ray unit depends on the hospitals size. Journal of radiation protection. 2009;34(1): 31-6.
    12. You I, Lim C, Lee S, Lee M. Performance Measurement of Diagnostic X-ray system. Journal of korean society of radiology. 2012;6(6):447-54.