Abstract:
BACKGROUND:To evaluate paraspinal back muscles of asymptomatic subjects using qualitative and quantitative analysis on CT and MRI and correlate the results with demographic data. METHODS:Twenty-nine asymptomatic subjects were enrolled prospectively (age: mean 34.31, range 23-50; 14 men, 15 women) from August 2016 to April 2017. Qualitative analysis of muscles was done using Goutallier's system on CT and MRI. Quantitative analysis entailed cross sectional area (CSA) on CT and MRI, Hounsfield unit (HU) on CT, fat fraction using two-point Dixon technique on MRI. Three readers independently analyzed the images; intra- and inter-observer agreements were measured. Linear regression and Spearman's analyses were used for correlation with demographic data. RESULTS:CSA values were significantly higher in men (p < 0.001). Fat fraction was higher (22.53% vs. 14.35%) and HU lower (36.00 vs. 47.43) in women (p < 0.001). Intra- and inter-observer reliabilities of the two methods were greater than 0.8, except for CSA of L5/S1 on MRI; however, regarding quantitative analysis, decreasing HU and increasing fat fraction were correlated with increasing age, female gender and lower lumbar segment (p < 0.001). CONCLUSION:MRI and CT can be reliably used for qualitative and quantitative analysis of paraspinal back muscles, regarding fat content. Fat fraction and HU showed highest reliabilities.
journal_name
BMC Musculoskelet Disordjournal_title
BMC musculoskeletal disordersauthors
Khil EK,Choi JA,Hwang E,Sidek S,Choi Idoi
10.1186/s12891-020-03432-wsubject
Has Abstractpub_date
2020-06-26 00:00:00pages
403issue
1issn
1471-2474pii
10.1186/s12891-020-03432-wjournal_volume
21pub_type
杂志文章abstract:BACKGROUND:Open fractures frequently result in serious complications for patients, including infections, wound healing problems, and failure of fracture healing, many of which necessitate subsequent operations. One of the most important steps in the initial management of open fractures is a thorough wound irrigation an...
journal_title:BMC musculoskeletal disorders
pub_type: 杂志文章,多中心研究,随机对照试验
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abstract:BACKGROUND:Internalised stigma is theorized to be the internalisation and legitimisation of stereotypes of the diagnosis held in society and has not been quantified within patients with Rheumatoid Arthritis. This study aimed to: validate a modified version of a measure of internalised stigma, (the Internalised Stigma o...
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journal_title:BMC musculoskeletal disorders
pub_type: 临床试验,杂志文章
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pub_type: 临床试验,杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章,多中心研究,随机对照试验
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pub_type: 杂志文章
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更新日期:2012-09-14 00:00:00
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pub_type: 杂志文章
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更新日期:2017-02-10 00:00:00
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pub_type: 杂志文章
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更新日期:2014-03-07 00:00:00
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pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:2009-01-14 00:00:00
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更新日期:2018-09-25 00:00:00
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pub_type: 杂志文章,随机对照试验
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pub_type: 杂志文章
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