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Diagnostic performance of the three-dimensional fast spin echo-Cube sequence in comparison with a conventional imaging protocol in evaluation of the lachrymal drainage system

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单位: [1]Huazhong Univ Sci & Technol,Tongji Hosp,Dept Radiol,Wuhan 430030,Peoples R China [2]Huazhong Univ Sci & Technol,Tongji Hosp,Dept Ophthalmol,Wuhan 430030,Peoples R China [3]GE Healthcare China Wuhan Off, Int Trade Mans, Wuhan 430022, Peoples R China
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关键词: Dacryocystography Isotropic Magnetic resonance imaging Nasolachrymal duct Three-dimensional

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Objectives To compare the three-dimensional (3D)-fast spinecho (FSE)-Cube with a conventional imaging protocol in evaluation of dacryostenosis. Methods Thirty-three patients with epiphora underwent examinations using Cube magnetic resonance dacryocystography (MRD) and a conventional protocol, which included 3D fast-recovery fast spin-echo (FRFSE) MRD and two-dimensional (2D)-FSE sequences at 3.0 T. Using lachrymal endoscopic findings as the reference standard, we calculated the sensitivity and specificity of both protocols for detecting lachrymal drainage system (LDS) obstruction and their accuracies in depicting the level of obstruction. Comparable coronal and axial images were selected for bot sequences. Two neuroradiologists graded paired images for blurring, artefacts, anatomic details, and overall image quality. Results The two methods showed no significant difference in sensitivity (89.5 % vs. 94.7 %; p = 0.674), specificity (64.3 %; p = 1) or accuracy (86.8 %; p = 1) in detecting or depicting LDS obstruction. Blurring and artefacts were significantly better on 2D-FSE images (p < 0.01 and p < 0.05, respectively). Anatomic details were significantly better on Cube reformats (p < 0.001). No significant difference existed in overall image quality (p > 0.05). Conclusions In comparison with the conventional protocol, Cube MRD demonstrates satisfactory image quality and similar diagnostic capability for cases of possible LDS disease.

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出版当年[2014]版:
大类 | 2 区 医学
小类 | 2 区 核医学
最新[2025]版:
大类 | 2 区 医学
小类 | 2 区 核医学
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出版当年[2013]版:
Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
最新[2023]版:
Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

影响因子: 最新[2023版] 最新五年平均 出版当年[2013版] 出版当年五年平均 出版前一年[2012版] 出版后一年[2014版]

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第一作者单位: [1]Huazhong Univ Sci & Technol,Tongji Hosp,Dept Radiol,Wuhan 430030,Peoples R China
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