Musculoskeletal MR Imaging at 3 T

Meyer, James S.; Jaramillo, Diego

doi:10.1016/j.mric.2008.04.004

Cited by 17 publications

(16 citation statements)

References 51 publications

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“…These are inconclusive in quantifying early degenerative changes of the cartilage matrix such as proteoglycan (PG) loss [6]. With the advent of the 3-Tesla (3T) MRI, it is possible to evaluate the collagen network and proteoglycan content in the knee cartilage matrix with compositional assessment techniques such as T2 mapping, delayed gadolinium-enhanced MR imaging of cartilage, T1 rho imaging, sodium imaging, and diffusion-weighted imaging [7].…”

Section: Introductionmentioning

confidence: 99%

T1 and T2 mapping of articular cartilage and menisci in early osteoarthritis of the knee using 3-Tesla magnetic resonance imaging

et al. 2019

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Purpose: 3-Tesla magnetic resonance imaging (MRI) T1 and T2 mapping to detect and quantify cartilage matrix and meniscal degeneration between normal healthy volunteers and early osteoarthritis patients. Material and methods:A prospective study including 25 patients and 10 healthy volunteers was done. Patients with symptoms of early osteoarthritis and Kellgren-Lawrence grade I-II on plain radiograph were included for MRI knee. Patients with inflammatory arthritis, infection, trauma, and history of knee surgery were excluded. Healthy, normal adult volunteers (preferably age and sex matched) without symptoms of osteoarthritis of the knee were drawn from patient's relatives/hospital employees/colleagues for MRI knee.Results: T1 and T2 relaxation time values of articular cartilage and menisci were significantly higher in osteoarthritis patients as compared to healthy volunteers. No significant difference was found in morphological thickness of articular cartilage and menisci in early osteoarthritis patients and healthy volunteers.Conclusions: T1 and T2 mapping are noninvasive MRI techniques reflecting changes in the biochemical composition of cartilage and menisci. T1 values reflect changes in proteoglycan content, and T2 values are sensitive to interaction between water molecules and collagen network. Mapping techniques assess early cartilage and meniscal matrix degeneration in osteoarthritis of the knee, and help in initiating treatment and monitoring disease progression. MRI is a sensitive modality for assessment of pathological changes in articular cartilage. With use of T1 and T2 mapping techniques, it is possible to evaluate the collagen network and proteoglycan content in articular cartilage and meniscal matrix.

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Section: Introductionmentioning

confidence: 99%

T1 and T2 mapping of articular cartilage and menisci in early osteoarthritis of the knee using 3-Tesla magnetic resonance imaging

et al. 2019

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“…Recently, imaging at 3.0 T has become more common [43,44]. Increased field strength allows for improvement in SNR, which increases image resolution and decreases examination time [45,46].…”

Section: Advances In Mr Software and Hardwarementioning

confidence: 99%

Advanced MRI of articular cartilage

Braun

Gold²

2011

Imaging in Medicine

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Musculoskeletal MRI is advancing rapidly, with innovative technology and significant potential for immediate clinical impact. In particular, cartilage imaging has become a topic of increasing interest as our aging population develops diseases such as osteoarthritis. Advances in MRI hardware and software have led to increased image quality and tissue contrast. Additional developments have allowed the assessment of cartilage macromolecular content, which may be crucial to the early detection of musculoskeletal diseases. This comprehensive article considers current morphological and physiological cartilage imaging techniques, their clinical applications, and their potential to contribute to future improvements in the imaging of cartilage.

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“…Another way is the use of dedicated transmit receive surface or extremity coils, which reduce the amount of tissue exposed to RF waves and thus decrease SAR. 4 The use of parallel imaging techniques can also decrease SAR. Parallel imaging using an acceleration factor of 2 leads to a reduction in SAR of 45%; an acceleration factor of 3 leads to a reduction in SAR of 70%.…”

Section: Specific Absorption Ratementioning

confidence: 99%

“…With the inherent doubling of SNR at 3.0 T, a decreased acquisition time by half will result in a net increase in SNR of 40%. 4 Figure 1 (A-D) T1-weighted fast field echo sequence with consecutive transverse images (3.0 T Philips Intera; Best, The Netherlands) using a 48-mm surface coil (TR/TE 133/16.9 ms, flip angle 30 degrees, field of view 70 Â 70 mm, 5 mm slice thickness, in plane resolution 182 Â 228 mikrons). The fascicular structure of the median nerve (long arrow) and the ulnar nerve (arrowheads) are very well demonstrated.…”

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confidence: 99%

3-Tesla High-Resolution MR Imaging of the Wrist

Saupe¹

2009

Semin Musculoskelet Radiol

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Magnetic resonance imaging (MRI) at 3.0 T has become increasingly available for clinical usage. Its clinical impact on diagnostic outcome compared with 1.5 T still remains unclear, however, because no larger case series have been published until now. In addition, the further development of clinical applications is still limited at 3.0 T due to the lack of availability of dedicated coils and the sensitivity of 3.0 T to artifacts. However, especially in the MR imaging of small joints, there seems to be a great potential in improving the diagnostic performance of MRI with increased signal-to-noise ratio by increasing the spatial resolution. For MR imaging of the wrist, smaller case series describe better visualization of the interosseus ligaments and the triangular fibrocartilage complex at 3.0 T compared with 1.5 T using comparable coils and imaging protocols. The diagnostic performance in the detection of cartilage lesions still remains unclear, as it remains independent of field strength on the anatomical location. This article addresses the technical considerations of using 3.0 T for wrist imaging and the initial results on clinical applications, focusing on optimized techniques for wrist imaging and the diagnostic accuracy in the detection of cartilage lesions and the important anatomical structures.

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Musculoskeletal MR Imaging at 3 T

Cited by 17 publications

References 51 publications

T1 and T2 mapping of articular cartilage and menisci in early osteoarthritis of the knee using 3-Tesla magnetic resonance imaging

T1 and T2 mapping of articular cartilage and menisci in early osteoarthritis of the knee using 3-Tesla magnetic resonance imaging

Advanced MRI of articular cartilage

3-Tesla High-Resolution MR Imaging of the Wrist

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