Internal Knee Derangement Assessed with 3-minute Three-dimensional Isovoxel True FISP MR Sequence: Preliminary Study

Duc, Sylvain R.; Pfirrmann, Christian W. A.; Koch, Peter P.; Zanetti, M.; Hodler, Juerg

doi:10.1148/radiol.2462062092

Cited by 98 publications

(85 citation statements)

References 25 publications

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“…In a study of the knee joint [14], TrueFISP provided excellent image quality, reaching 3.78 ± 0.5 from a maximum of 4 points in 37 patients after matrixassociated autologous chondrocyte transplantation (MACT). Also, TrueFISP was recommended for monitoring osteoarthritis disease progression at the knee, particularly due to the high SNR/ CNR values [16,17]. A regional decrease in image quality because of artifacts, as present in our patient group, was also reported in other studies [11,14,18].…”

supporting

confidence: 80%

Comparison of Modern 3D and 2D MR Imaging Sequences of the Wrist at 3 Tesla

Rehnitz

Klaan

Stillfried³

et al. 2016

Fortschr Röntgenstr

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supporting

confidence: 80%

Comparison of Modern 3D and 2D MR Imaging Sequences of the Wrist at 3 Tesla

Rehnitz

Klaan

Stillfried³

et al. 2016

Fortschr Röntgenstr

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“…Some investigators also used 3D gradient echo sequences to better study knee abnormalities [10,11,[21][22][23]. Ruehm et al [11] investigated an optimized 3D dual echo steady state (3D DESS) sequence.…”

Section: Discussionmentioning

confidence: 99%

“…Duc et al [21] used a 3D isovoxel true fast imaging with steady-state precession (FISP) sequence with water excitation and secondary multiplanar reformations (acquisition time, 3 min) and examined 29 patients concerning the accuracy in detecting meniscal, cartilage and anterior cruciate ligament (ACL) abnormalities. Using arthroscopy as their standard of reference, a diagnostic performance of the 3D FISP sequence was found that was comparable to the 2D FSE standard sequence.…”

Section: Discussionmentioning

confidence: 99%

Isotropic 3D fast spin-echo imaging versus standard 2D imaging at 3.0 T of the knee—image quality and diagnostic performance

et al. 2009

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Isotropic 3D fast spin-echo imaging versus standard 2D imaging at 3.0 T of the knee-image quality and diagnostic performance Abstract The objective of this study was to compare a newly developed fat-saturated intermediate-weighted (IM-w) 3D fast spin-echo (FSE) sequence with standard 2D IM-w FSE sequences regarding image quality and diagnostic performance in assessing abnormal findings of the knee. MR imaging was performed at 3.0 T in 50 patients. Images were assessed independently by three radiologists. Image quality was rated significantly higher (p<0.05) for the 2D versus the 3D FSE sequences. Sensitivity for cartilage lesions was slightly higher for the 3D sequence, but specificity was lower. Low contrast objects were better visualized with 2D sequences, while high contrast objects were better shown with the 3D sequence. Confidence scores were higher for 2D than for 3D sequences, but differences were not significant. In conclusion, isotropic 3D FSE IM-w imaging may enhance standard knee MRI by increased visualization of high contrast lesions; however, 3D FSE image quality was lower.

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“…This technique includes gradient echo sequence and, more recently, fast spin echo sequences with variable flip-angle that have been successfully applied in evaluation of the musculoskeletal system [19][20][21][22][23][24] , the ankle, and the foot. After the advent of 3T MR scanner, enhanced signalto-noise ratio, higher spatial resolution, and the greater contrast-noise ratio of intrinsic joint structures at higher field strength are possible supplementary ways to improve the diagnostic ability of 3D isotropic resolution imaging 24)25) .…”

Section: Discussionmentioning

confidence: 99%

The Radiohumeral Synovial Fold: Analysis with 3D Isotropic MR Imaging in 80 Asymptomatic Subjects

Kitsukawa

Tachizawa

Kobayashi

et al. 2015

J St. Marianna Univ

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Purpose: To evaluate prospectively the size of the synovial fold protruding into the radiohumeral joint using 3D isovoxel MR imaging in asymptomatic volunteers, and to find a new reference value of the synovial fold on MR imaging. Materials and methods: Eighty asymptomatic volunteers (36 women, 44 men; age range, 23-56 years; median age, 39; 20 patients in each decade from 20s to the 50s) were examined in this study. MR imaging of both sides of the elbow was performed using 3D isovoxel fast field-echo sequence with selective water excitation. The width of the synovial fold, which is defined as the distance between the tip of the synovial fold and the outer edge of the radial head, was measured at eight locations on the radiohumeral joint. We analyzed the relationship between the results and age, sex, and handedness. Results: The posterior synovial fold was largest (range, 0.2-11.6 mm; median, 6.9 mm; 95th percentile, 10.0 mm). The width of the lateral synovial fold and posterolateral synovial fold was larger in patients in their 50s than in their 20s (p < 0.05 and p < 0.01, respectively). Conclusion: Most normal synovial folds are smaller than 10.0 mm in width. Aging is a factor which influences the width of lateral to posterolateral synovial folds.

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Internal Knee Derangement Assessed with 3-minute Three-dimensional Isovoxel True FISP MR Sequence: Preliminary Study

Abstract: The diagnostic performance of knee MR imaging performed by using a 3D water excitation isovoxel true FISP sequence and an imaging time of approximately 3 minutes is comparable to the diagnostic performance of the MR sequences used as standards at the authors' institution.

Cited by 98 publications

References 25 publications

Comparison of Modern 3D and 2D MR Imaging Sequences of the Wrist at 3 Tesla

Comparison of Modern 3D and 2D MR Imaging Sequences of the Wrist at 3 Tesla

Isotropic 3D fast spin-echo imaging versus standard 2D imaging at 3.0 T of the knee—image quality and diagnostic performance

The Radiohumeral Synovial Fold: Analysis with 3D Isotropic MR Imaging in 80 Asymptomatic Subjects

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