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Isotropic three-dimensional fast spin-echo Cube magnetic resonance dacryocystography: comparison with the three-dimensional fast-recovery fast spin-echo technique

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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, Wuhan, Peoples R China
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关键词: Dacryocystography Isotropic Lacrimal drainage system Magnetic resonance imaging Three-dimensional

摘要:
Three-dimensional fast spin-echo Cube (3D-FSE-Cube) uses modulated refocusing flip angles and autocalibrates two dimensional (2D)-accelerated parallel and nonlinear view ordering to produce high-quality volumetric image sets with high-spatial resolution. Furthermore, 3D-FSE-Cube with topical instillation of fluid can also be used for magnetic resonance dacryocystography (MRD) with good soft tissue contrast. The purpose of this study was to evaluate the technical quality and visualization of the lacrimal drainage system (LDS) when using the 3D-FSE-Cube sequence and the 3D fast-recovery fast spin-echo (FRFSE) sequence. In total, 75 patients with primary LDS outflow impairment or postsurgical recurrent epiphora underwent 3D-FSE-Cube MRD and 3D-FRFSE MRD at 3.0 T after topical administration of compound sodium chloride eye drops. Two radiologists graded the images from either of the two sequences in a blinded fashion, and appropriate statistical tests were used to assess differences in technical quality, visibility of ductal segments, and number of segments visualized per LDS. Obstructions were confirmed in 90 of the 150 LDSs assessed. The technical quality of 3D-FSE-Cube MRD and 3D-FRFSE MRD was statistically equivalent (P = 0.871). However, compared with 3D-FRFSE MRD, 3D-FSE-Cube MRD improved the overall visibility and the visibility of the upper drainage segments in normal and obstructed LDSs (P < 0.001). There was a corresponding increase in the number of segments visualized per LDS in both groups (P < 0.001). Compared with 3D-FRFSE MRD, 3D-FSE-Cube MRD potentially improves the visibility of the LDS.

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出版当年[2014]版:
大类 | 3 区 医学
小类 | 3 区 临床神经病学 3 区 神经成像 3 区 核医学
最新[2025]版:
大类 | 3 区 医学
小类 | 3 区 神经成像 3 区 核医学 4 区 临床神经病学
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出版当年[2013]版:
Q2 CLINICAL NEUROLOGY Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Q3 NEUROIMAGING
最新[2023]版:
Q2 CLINICAL NEUROLOGY Q2 NEUROIMAGING Q2 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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通讯机构: [1]Huazhong Univ Sci & Technol,Tongji Hosp,Dept Radiol,Wuhan 430030,Peoples R China [*1]Huazhong Univ Sci & Technol,Tongji Hosp,Dept Radiol,1095 Jiefang Ave,Wuhan 430030,Peoples R China
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