Brachial plexus assessment with three-dimensional isotropic resolution fast spin echo MRI: comparison with conventional MRI at 3.0 T

Tagliafico, Alberto; Succio, Giulia; Neumaier, C. E.; Baio, Gabriella; Serafini, Giovanni; Ghidara, M.; Calabrese, Massimo; Martinoli, Carlo

doi:10.1259/bjr/28972953

Cited by 34 publications

(24 citation statements)

References 14 publications

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“…Generally, all the brachial plexus studies are performed as unenhanced MRN examinations, unless there is a suspicion of neoplasm, infection, or diffuse polyneuropathy. 3,4,11,13,14 DTI is experimental at this stage. It provides insight into nerve microarchitecture by reconstruction of DTI parametric maps with illustration of the fiber tracts.…”

Section: Mrn Technique and Normal Imaging Appearancesmentioning

confidence: 99%

High-Resolution 3T MR Neurography of the Brachial Plexus and Its Branches, with Emphasis on 3D Imaging

Chhabra

Thawait

Soldatos

et al. 2012

AJNR Am J Neuroradiol

128

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SUMMARY:With advancement in 3D imaging, better fat-suppression techniques, and superior coil designs for MR imaging and the increasing availability and use of 3T magnets, the visualization of the complexity of the brachial plexus has become facile. The relevant imaging findings are described for normal and pathologic conditions of the brachial plexus. These radiologic findings are supported by clinical and/or EMG/surgical data, and corresponding high-resolution MR neurography images are illustrated. Because the brachial plexus can be affected by a plethora of pathologies, resulting in often serious and disabling complications, a better radiologic insight has great potential in aiding physicians in rendering superior services to patients. ABBREVIATIONS:EMG ϭ electromyography; MIP ϭ maximum intensity projection; MRN ϭ MR neurography; SPACE ϭ sampling perfection with application-

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Section: Mrn Technique and Normal Imaging Appearancesmentioning

confidence: 99%

High-Resolution 3T MR Neurography of the Brachial Plexus and Its Branches, with Emphasis on 3D Imaging

Chhabra

Thawait

Soldatos

et al. 2012

AJNR Am J Neuroradiol

128

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“…For deep nerve or central disease, conventional MRI, MRI neurography, diffusion tensor imaging, fiber tractog raphy [9] and 3D MRI [10] are promising but are not always available and need long acquisition time. Therefore, US could be considered the firstchoice approach for the assessment of peripheral nerves.…”

Section: Introductionmentioning

confidence: 99%

Peripheral nerve imaging: Not only cross-sectional area

Tagliafico

2016

WJR

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suggest to use ultrasound (US) for nerve evaluation due to the fact that, in sever anatomical area, magnetic resonance imaging is not able to give additional in formations. US could be considered the firstchoice approach for the assessment of peripheral nerves. The relative drawback of peripheral nerve US is the long learning curve and the deep anatomic competence to evaluate even small nerves. In the recent years, the role of US in peripheral nerve evaluation has been widened. In the past, nerve US was mainly used to assess nerve cross sectional area, but now more advanced mea surements and considerations are desirable and can boost the role of peripheral nerve US. Nerve echotexture evaluation was defined in 2010: The ratio between the hypoechoic and hyperechoic areas of peripheral nerves on US was called "nerve density". For evaluation of patients who have peripheral neuropathies, the role of peripheral nerve is US wider than simple crosssectional area evaluation. Quantitative measurements describing the internal fascicular echotexture of peripheral nerves introduce the concept of considering US as a possible quantitative imaging biomarker technique. The potential of nerve US has started to be uncovered. It seems clear that only crosssectional area measurement is no more sufficient for a comprehensive US evaluation of peripheral nerves. AbstractPeripheral nerve imaging is recognized as a complement to clinical and neurophysiological assessment in the evaluation of peripheral nerves with the ability to impact patient management, even for small and difficult nerves.

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“…Compared to the spectrally selective fat suppression and Dixon methods, the fast/turbo spin echo (FSE/TSE) based T 2 ‐weighted STIR acquisitions suffer from reduced SNR, which can be mitigated using 3D acquisitions at higher field strengths, such as 3T . In addition to the improved SNR, 3D TSE‐STIR also enhances the nerve visualization and lesion localization in brachial plexus imaging . However, the higher field strengths pose additional challenges to 3D TSE‐STIR, including wider offset frequency between water and fat combined with larger B 0 and B 1 inhomogeneities, which reduce the reliability of fat suppression …”

mentioning

confidence: 99%

“…In addition to the improved SNR, 3D TSE‐STIR also enhances the nerve visualization and lesion localization in brachial plexus imaging . However, the higher field strengths pose additional challenges to 3D TSE‐STIR, including wider offset frequency between water and fat combined with larger B 0 and B 1 inhomogeneities, which reduce the reliability of fat suppression …”

mentioning

confidence: 99%

Frequency Offset Corrected Inversion Pulse for B₀ and B₁ Insensitive Fat Suppression at 3T: Application to MR Neurography of Brachial Plexus

Wang

Greer

Dimitrov

et al. 2018

Magnetic Resonance Imaging

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Brachial plexus assessment with three-dimensional isotropic resolution fast spin echo MRI: comparison with conventional MRI at 3.0 T

Abstract: 3D FSE-cube provided similar image quality in a shorter acquisition time and enabled excellent visualisation of brachial plexus anatomy and pathology in any orientation, regardless of the original scanning plane.

Cited by 34 publications

References 14 publications

High-Resolution 3T MR Neurography of the Brachial Plexus and Its Branches, with Emphasis on 3D Imaging

High-Resolution 3T MR Neurography of the Brachial Plexus and Its Branches, with Emphasis on 3D Imaging

Peripheral nerve imaging: Not only cross-sectional area

Frequency Offset Corrected Inversion Pulse for B₀ and B₁ Insensitive Fat Suppression at 3T: Application to MR Neurography of Brachial Plexus

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Brachial plexus assessment with three-dimensional isotropic resolution fast spin echo MRI: comparison with conventional MRI at 3.0 T

Abstract: 3D FSE-cube provided similar image quality in a shorter acquisition time and enabled excellent visualisation of brachial plexus anatomy and pathology in any orientation, regardless of the original scanning plane.

Cited by 34 publications

References 14 publications

High-Resolution 3T MR Neurography of the Brachial Plexus and Its Branches, with Emphasis on 3D Imaging

High-Resolution 3T MR Neurography of the Brachial Plexus and Its Branches, with Emphasis on 3D Imaging

Peripheral nerve imaging: Not only cross-sectional area

Frequency Offset Corrected Inversion Pulse for B0 and B1 Insensitive Fat Suppression at 3T: Application to MR Neurography of Brachial Plexus

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Frequency Offset Corrected Inversion Pulse for B₀ and B₁ Insensitive Fat Suppression at 3T: Application to MR Neurography of Brachial Plexus