J Korean Med Sci.  2016 Feb;31(Suppl 1):S6-S9. 10.3346/jkms.2016.31.S1.S6.

General Principles of Radiation Protection in Fields of Diagnostic Medical Exposure

Affiliations
  • 1Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Seoul, Korea. dokh@amc.seoul.kr

Abstract

After the rapid development of medical equipment including CT or PET-CT, radiation doses from medical exposure are now the largest source of man-made radiation exposure. General principles of radiation protection from the hazard of ionizing radiation are summarized as three key words; justification, optimization, and dose limit. Because medical exposure of radiation has unique considerations, diagnostic reference level is generally used as a reference value, instead of dose limits. In Korea, medical radiation exposure has increased rapidly. For medical radiation exposure control, Korea has two separate control systems. Regulation is essential to control medical radiation exposure. Physicians and radiologists must be aware of the radiation risks and benefits associated with medical exposure, and understand and implement the principles of radiation protection for patients. The education of the referring physicians and radiologists is also important.

Keyword

Medical Exposure; Radiation Protection; Justification; Optimization; Diagnostic Reference Level

MeSH Terms

Guidelines as Topic
Humans
International Agencies
*Occupational Exposure
Positron-Emission Tomography
Radiation Injuries/etiology/prevention & control
*Radiation Protection
Radiation, Ionizing
Radiotherapy Dosage/standards
Reference Values
Tomography, X-Ray Computed

Reference

1. International Commission on Radiological Protection. Radiological protection in medicine. ICRP Publication 105. Ann ICRP. 2007; 37:1–63.
2. International Commission on Radiological Protection. The 2007 Recommendations of the International Commission on Radiological Protection. ICRP publication 103. Ann ICRP. 2007; 37:1–332.
3. Mettler FA Jr, Bhargavan M, Faulkner K, Gilley DB, Gray JE, Ibbott GS, Lipoti JA, Mahesh M, McCrohan JL, Stabin MG, et al. Radiologic and nuclear medicine studies in the United States and worldwide: frequency, radiation dose, and comparison with other radiation sources--1950-2007. Radiology. 2009; 253:520–531.
4. National Council on Radiation Protection and Measurements. Ionizing radiation exposure of the population of the United States: NCRP report no. 160. Bethesda, MD: National Council on Radiation Protection and Measurements;2009.
5. Kim KP. Radiation exposure of Korean population from medical diagnostic examinations. Seoul: Ministry of Food and Drug Safety;2013.
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