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由于甲状腺相对于探测器的位置,导致甲状腺中碘活性测定时计数效率的变化。

Variation of counting efficiency in determination of I activity in the thyroid gland as a result of its position relative to the detector.

作者信息

Kierepko R, Janowski P, Grochowska M

机构信息

Institute of Nuclear Physics Polish Academy of Sciences, Ul. W. E. Radzikowskiego 152, 31-342 Kraków, Poland.

Institute of Nuclear Physics Polish Academy of Sciences, Ul. W. E. Radzikowskiego 152, 31-342 Kraków, Poland ; AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Al. A. Mickiewicza 30, 30-059 Kraków, Poland.

出版信息

J Radioanal Nucl Chem. 2014;300(2):825-828. doi: 10.1007/s10967-014-3051-z. Epub 2014 Mar 9.

DOI:10.1007/s10967-014-3051-z
PMID:26224973
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4514629/
Abstract

The appropriate determination of the I which was absorbed into the human body, especially by thyroid, depends not only on individual features of each measurement subjects but also on reproducibility of their position or the thyroid's position in the human neck. Possible uncertainties caused by changes of the thyroid position relative to detector were studied in a series of measurements. The research has shown that the dispersion of the results can reach up even to the level of 50 %.

摘要

确定人体尤其是甲状腺吸收的碘量,不仅取决于每个测量对象的个体特征,还取决于其位置或甲状腺在人颈部位置的可重复性。在一系列测量中研究了甲状腺相对于探测器位置变化可能引起的不确定性。研究表明,结果的离散度甚至可达50%。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d154/4514629/f4940f0f7206/10967_2014_3051_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d154/4514629/efe09a6459ef/10967_2014_3051_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d154/4514629/1e9c7be9d8d3/10967_2014_3051_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d154/4514629/d532ca735096/10967_2014_3051_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d154/4514629/f03084d1ef7c/10967_2014_3051_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d154/4514629/f4940f0f7206/10967_2014_3051_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d154/4514629/efe09a6459ef/10967_2014_3051_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d154/4514629/1e9c7be9d8d3/10967_2014_3051_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d154/4514629/d532ca735096/10967_2014_3051_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d154/4514629/f03084d1ef7c/10967_2014_3051_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d154/4514629/f4940f0f7206/10967_2014_3051_Fig5_HTML.jpg

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本文引用的文献

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Radiat Prot Dosimetry. 2011 Mar;144(1-4):339-43. doi: 10.1093/rpd/ncq319. Epub 2010 Nov 11.
2
Uncertainty budget for a whole body counter in the scan geometry and computer simulation of the calibration phantoms.扫描几何形状下全身计数器的不确定度预算以及校准体模的计算机模拟。
Radiat Prot Dosimetry. 2007;125(1-4):149-52. doi: 10.1093/rpd/ncm206. Epub 2007 Jul 26.
3
Uncertainties in determination of 131I activity in thyroid gland.
波兰一家核医学医院中核医学工作人员甲状腺中碘活性的测量及内照射剂量评估。
Radiat Environ Biophys. 2017 Mar;56(1):19-26. doi: 10.1007/s00411-016-0674-1. Epub 2016 Dec 31.
甲状腺中¹³¹I活度测定的不确定性。
Radiat Prot Dosimetry. 2007;125(1-4):516-9. doi: 10.1093/rpd/ncm158. Epub 2007 Feb 18.