The value of contrast-enhanced three-dimensional isotropic T2-weighted turbo spin-echo SPACE sequence in the diagnosis of patients with lumbosacral nerve root compression

2020 ◽  
Author(s):  
Chao Kong ◽  
Xiang-Yu Li ◽  
Si-Yuan Sun ◽  
Xiang-Yao Sun ◽  
Miao Zhang ◽  
...  
Keyword(s):  
Nerve Root ◽  
Spin Echo ◽  
Three Dimensional ◽  
Nerve Root Compression ◽  
Turbo Spin Echo ◽  
Space Sequence ◽  
Turbo Spin ◽  
Contrast Enhanced

scholarly journals Diagnosis of Nerve Root Compromise of the Lumbar Spine: Evaluation of the Performance of Three-dimensional Isotropic T2-weighted Turbo Spin-Echo SPACE Sequence at 3T

2017 ◽  
Vol 18 (1) ◽  
pp. 249 ◽  
Author(s):  
Jinkyeong Sung ◽  
Won-Hee Jee ◽  
Joon-Yong Jung ◽  
Jinhee Jang ◽  
Jin-Sung Kim ◽  
...  
Keyword(s):  
Lumbar Spine ◽  
Nerve Root ◽  
Spin Echo ◽  
Three Dimensional ◽  
Turbo Spin Echo ◽  
Space Sequence ◽  
Turbo Spin

scholarly journals Using the Compressed Sensing Technique for Lumbar Vertebrae Imaging: Comparison with Conventional Parallel Imaging

2021 ◽  
Vol 17 ◽  
Author(s):  
Tianyang Gao ◽  
Zhao Lu ◽  
Fengzhe Wang ◽  
Heng Zhao ◽  
Jiazheng Wang ◽  
...  
Keyword(s):  
Image Quality ◽  
Compressed Sensing ◽  
Nerve Root ◽  
Predictive Value ◽  
Spin Echo ◽  
Lumbar Vertebrae ◽  
Foraminal Stenosis ◽  
Nerve Root Compression ◽  
Turbo Spin Echo ◽  
Turbo Spin

Objective: To compare conventional sensitivity encoding turbo spin-echo (SENSE-TSE) with compressed sensing plus SENSE turbo spin-echo (CS-TSE) in lumbar vertebrae magnetic resonance imaging (MRI). Methods: This retrospective study of lumbar vertebrae MRI included 600 patients; 300 patients received SENSE-TSE and 300 patients received CS-TSE. The SENSE acceleration factor was 1.4 for T1WI, 1.7 for T2WI, and 1.7 for PDWI. The CS total acceleration factor was 2.4, 3.6, 4.0, and 4.0 for T1WI, T2WI, PDWI sagittal, and T2WI transverse, respectively. The image quality of each MRI sequence was evaluated objectively by the signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) and subjectively on a five-point scale. Two radiologists independently reviewed the MRI sequences of the 300 patients receiving CS-TSE, and their diagnostic consistency was evaluated. The degree of intervertebral foraminal stenosis and nerve root compression was assessed using the T1WI sagittal and T2WI transverse images. Results: The scan time was reduced from 7 min 28 s to 4 min 26 s with CSTSE. The median score of nerve root image quality was 5 (p > 0.05). The diagnostic consistency using CS-TSE images between the two radiologists was high for diagnosing lumbar diseases (κ > 0.75) and for evaluating the degree of lumbar foraminal stenosis and nerve root compression (κ = 0.882). No differences between SENSE-TSE and CS-TSE were observed for sensitivity, specificity, positive predictive value, or negative predictive value. Conclusion: CS-TSE has potential for diagnosing lumbar vertebrae and disc disorders.

Three-Dimensional Black-Blood T1-Weighted Turbo Spin-Echo Techniques for the Diagnosis of Deep Vein Thrombosis in Comparison With Contrast-Enhanced Magnetic Resonance Imaging

2015 ◽  
Vol 50 (6) ◽  
pp. 401-408 ◽  
Author(s):  
Karla Maria Treitl ◽  
Marcus Treitl ◽  
Hendrik Kooijman-Kurfuerst ◽  
Nora N. Kammer ◽  
Eva Coppenrath ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Spin Echo ◽  
Three Dimensional ◽  
Black Blood ◽  
Turbo Spin Echo ◽  
Resonance Imaging ◽  
Vein Thrombosis ◽  
Turbo Spin ◽  
Contrast Enhanced ◽  
Deep Vein

Contrast-Enhanced Turbo Spin-Echo(TSE) T1-weighted Imaging: Improved Contrast of Enhancing Lesions

1997 ◽  
Vol 37 (3) ◽  
pp. 379
Author(s):  
Sung Wook Choi ◽  
Ghi Jai Lee ◽  
Jae Chan Shim ◽  
Young Ju Lee ◽  
Se Hyung Jeong ◽  
...  
Keyword(s):  
Spin Echo ◽  
Turbo Spin Echo ◽  
Turbo Spin ◽  
Contrast Enhanced

Spiral gradient echo versus cartesian turbo spin echo imaging for sagittal contrast-enhanced fat-suppressed T1 weighted spine MRI: an inter-individual comparison study

2021 ◽  
Author(s):  
Elisabeth Sartoretti ◽  
Sabine Sartoretti-Schefer ◽  
Luuk van Smoorenburg ◽  
Barbara Eichenberger ◽  
Árpád Schwenk ◽  
...  
Keyword(s):  
Spin Echo ◽  
Comparison Study ◽  
Turbo Spin Echo ◽  
Gradient Echo ◽  
Turbo Spin ◽  
Individual Comparison ◽  
Contrast Enhanced ◽  
Spine Mri ◽  
Lesion Conspicuity

Objectives: To compare a novel 3D spiral gradient echo (GRE) sequence with a conventional 2D cartesian turbo spin echo (TSE) sequence for sagittal contrast-enhanced (CE) fat-suppressed (FS) T1 weighted (T1W) spine MRI. Methods: In this inter-individual comparison study, 128 patients prospectively underwent sagittal CE FS T1W spine MRI with either a 2D cartesian TSE (“TSE”, 285 s, 64 patients) or a 3D spiral GRE sequence (“Spiral”, 93 s, 64 patients). Between both groups, patients were matched in terms of anatomical region (cervical/thoracic/lumbar spine and sacrum). Three readers used 4-point Likert scales to assess images qualitatively in terms of overall image quality, presence of artifacts, spinal cord visualization, lesion conspicuity and quality of fat suppression. Results: Spiral achieved a 67.4% scan time reduction compared to TSE. Interreader agreement was high (alpha=0.868-1). Overall image quality (4;[3,4] vs 3;[3,4], p<0.001 – p=0.002 for all readers), presence of artifacts (4;[3,4] vs 3;[3,4] p=0.027 – p=0.046 for all readers), spinal cord visualization (4;[4,4] vs 4;[3,4], p<0.001 for all readers), lesion conspicuity (4;[4,4] vs 4;[4,4], p=0.016 for all readers) and quality of fat suppression (4;[4,4] vs 4;[4,4], p=0.027 – p=0.033 for all readers), were all deemed significantly improved by all three readers on Spiral images as compared to TSE images Conclusion: We demonstrate the feasibility of a novel 3D spiral GRE sequence for improved and rapid sagittal CE FS T1W spine MRI. Advances in knowledge: A 3D spiral GRE sequence allows for improved sagittal CE FS T1W spine MRI at very short scan times.

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