| DIAGNOSTIC REFERENCE LEVEL OF COMPUTED TOMOGRAPHY (CT) IN JAPAN. | |
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MedLine Citation:
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PMID: 22147925 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Optimisation of computed tomography (CT) parameters is important in avoiding excess radiation exposure. The aim of this study is to establish the diagnostic reference levels (DRL) of CT in Japan by using dose-length product (DLP). Datasheets were sent to all hospitals/clinics which had CT scanner(s) in Gunma prefecture. Data were obtained for all patients who underwent CT during a single month (June 2010), and the distributions of DLP were evaluated for eight anatomical regions and five patient age groups. The DRL was defined as the 25th and 75th percentiles of DLP. Datasheets were collected from 80 of 192 hospitals/clinics (26 090 patients). DLP for head CT of paediatric patients tended to be higher in Japan compared with DRLs of paediatric head CTs reported from the EU or Syria. Although this study was performed with limited samples, DLP for adult patients were at comparable levels for all anatomical regions. |
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Authors:
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Yasuhiro Fukushima; Yoshito Tsushima; Hiroyuki Takei; Ayako Taketomi-Takahashi; Hidenori Otake; Keigo Endo |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-12-5 |
Journal Detail:
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Title: Radiation protection dosimetry Volume: - ISSN: 1742-3406 ISO Abbreviation: - Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2011-12-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8109958 Medline TA: Radiat Prot Dosimetry Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Radiology, Gunma University Hospital, 3-39-15 Showa-machi, Maebashi, Gunma, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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