Abstract：
AIM:To compare the image quality between conventional volume interpolated breath-hold examination (VIBE) and radial VIBE in contrast-enhanced fat-suppressed T1-weighted images of paediatric abdominal magnetic resonance imaging (MRI) during free-breathing. MATERIALS AND METHODS:Images from paediatric patients who underwent contrast-enhanced abdominal MRI with a 3 T magnet using conventional VIBE (conventional group) and radial VIBE (radial group) while freely breathing were reviewed retrospectively. For objective analysis, the mean values of noise and signal-to-noise ratio (SNR) in the liver on contrast-enhanced fat-suppressed T1-weighted images were compared. For subjective analysis, overall image quality, respiratory motion, portal vein clarity, and hepatic margin sharpness were assessed using four-point scales. RESULTS:Nine patients (mean age of 2.8±2.3 years) in the conventional and 17 patients (mean age of 2.4±2.8 years) in the radial groups were included. According to the objective analysis, the noise was significantly lower and the SNR was significantly higher in the radial group than those in the conventional group (all, p<0.001). In the subjective analysis, overall image quality, respiratory motion, portal vein clarity, and hepatic margin sharpness were all significantly higher in the radial group (all, p<0.001). CONCLUSION:Paediatric abdominal MRI images with radial VIBE showed lower noise with higher SNR in objective analysis and higher image quality in subjective analysis, compared to conventional VIBE.
journal_name
Clin Radioljournal_title
Clinical radiologyauthors
Shin HJ,Kim MJ,Lee MJ,Kim HGdoi
10.1016/j.crad.2016.03.018subject
Has Abstractpub_date
2016-10-01 00:00:00pages
1044-9issue
10eissn
0009-9260issn
1365-229Xpii
S0009-9260(16)30006-Xjournal_volume
71pub_type
杂志文章abstract：:Thirty-five cases of 'Q' fever have been admitted and confirmed serologically over the past 20 years. Thirty-two of these cases had chest films on admission, and lung changes were present in 87%. The lung changes were: 1. Multiple round segmental consolidations, 5--10 cm in diameter, of ground glass density and usuall...
journal_title：Clinical radiology
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doi：10.1016/s0009-9260(05)80168-0
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doi：10.1016/j.crad.2007.10.002
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pub_type： 临床试验,杂志文章,随机对照试验
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journal_title：Clinical radiology
pub_type： 杂志文章
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更新日期：1989-09-01 00:00:00
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journal_title：Clinical radiology
pub_type： 杂志文章,评审
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