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Proceedings Paper

Dosimetric measurements and comparison studies in digital imaging system
Author(s): Ji-Young Jung; Hee-Joung Kim; Chang-Lae Lee; Hyo-Min Cho; Sora Nam
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Paper Abstract

Number of radiologic exams using digital imaging systems has rapidly increased with advanced imaging technologies. However, it has not been paid attention to the radiation dose in clinical situations. It was the motivation to study radiation dosimetry in the DR system. The objective of this study was to measure beam quality and patient's dose using DR system and to compare them to both IEC standard and IAEA guidelines. The measured average dose for chest and abdomen was 1.376 mGy and 9.501 mGy, respectively, compared to 0.4 mGy and 10.0 mGy in IAEA guidelines. The results also indicated that the DR system has a lower radiation beam quality than that of the IEC standard. The results showed that the patients may be exposed higher radiation for chest exams and lower radiation for abdomen exams using DR system. IAEA Guidelines were prepared based on western people which may be different weight and height for patients compared them to Korean. In conclusion, a new guideline for acceptable DR dosimetry for Korean patients may need to be developed with further studies for large populations. We believe that this research greatly help to introduce the importance of the dosimetry in diagnostic radiology in Korea. And, a development of database for dosimetry in diagnostic radiology will become an opportunity of making aware of radiation safety of medical examination to patient.

Paper Details

Date Published: 18 March 2008
PDF: 8 pages
Proc. SPIE 6913, Medical Imaging 2008: Physics of Medical Imaging, 69133K (18 March 2008); doi: 10.1117/12.773141
Show Author Affiliations
Ji-Young Jung, Yonsei Univ. (South Korea)
Hee-Joung Kim, Yonsei Univ. (South Korea)
Chang-Lae Lee, Yonsei Univ. (South Korea)
Hyo-Min Cho, Yonsei Univ. (South Korea)
Sora Nam, Yonsei Univ. (South Korea)

Published in SPIE Proceedings Vol. 6913:
Medical Imaging 2008: Physics of Medical Imaging
Jiang Hsieh; Ehsan Samei, Editor(s)

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