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KMID : 1143420190120512388
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Public Health Weekly Report
2019 Volume.12 No. 51 p.2388 ~ p.2396
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Status of Diagnostic X-ray Equipment in Korea, 2018
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Kim Hyun-Ji
Lee Jung-Eun
Lee Jung-Youl
Lee Hyun-Koo
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Abstract
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There has been a continuous increase in the number of diagnostic X-ray machines in Korea from 82,357 in 2016 to 88,294 in 2018. District-based categorization revealed that Seoul had the largest number of diagnostic X-ray machines(20,505,
23.2%), while Sejong had the smallest number(407, 0.5%). Classification based on the types of X-ray equipment showed
that the portion of general equipment with a separate tube-high voltage (HV) generator used in radiography or fluoroscopy
accounted for the largest proportion (24%, 21,249), followed by general equipment with an integrated tube-HV generator
(22%, 19,069), intra-oral equipment (16%, 14,390), equipment for panoramic imaging (11%, 9,887), dental computed
tomography (12%, 10,430), equipment for bone mineral densitometry (8%, 7,573), mammography equipment (4%, 3,321),
and whole body CT (3%, 2,375). Based on the period of use, 34.1% (30,133) of the total pieces of equipment had been used
for equal or less than 5 years. With the increase in the use of diagnostic X-ray equipment, greater effort will need to be
focused on the safe use of radiological techniques and machinery in medicine.
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KEYWORD
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Diagnostic X-ray, Radiation safety, Medical radiation, X-ray generator
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