The role of magnetic resonance imaging in the evaluation of peripheral nerves following traumatic lesion: where do we stand?

Neto, Oswaldo Ribeiro Marquez; Leite, Matheus; Freitas, Tiago; P, Mendelovitz; Villela, Eric Arruda; Kessler, Iruena Moraes

doi:10.1007/s00701-016-3055-2

Cited by 35 publications

(13 citation statements)

References 34 publications

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“…MRI is the gold standard for examining the BP. Nevertheless, the large field of view of MRI makes it impossible to analyze the fine nerve structures of the BP individually (Ohana et al, ; Marquez Neto et al, ). Fornage et al () showed that US was superior for studying the peripheral nervous system.…”

Section: Discussionmentioning

confidence: 99%

“…Magnetic resonance imaging (MRI) is the gold standard for describing the BP and its terminal branches (Boykin et al, ; Chalian et al, ; Ahlawat et al, ; Marquez Neto et al, ; Wang et al, ). During the last two decades, ultrasonography (US) of the suprascapular portion of the SSN has gained prominence for the dynamic exploration of neuropathies and for ultrasound‐guiding of anesthetic nerve blocks in cases of acute and chronic shoulder pain (Karataş et al, ; Boykin et al, ; Chan et al, ; Stein et al, ; Bharti et al, ; Lewis et al, ; Chang et al, ; Dhir et al, ).…”

Section: Introductionmentioning

confidence: 99%

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Description and ultrasound targeting of the origin of the suprascapular nerve

Laumonerie

Lapègue

Chantalat³

et al. 2017

Clinical Anatomy

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Anatomical variations in the suprascapular nerve (SSN) and its depth in the suprascapular notch can make it difficult to target with ultrasonography (US). One alternative could be a proximal approach to the SSN, if US provides a reliable description of its origin (orSSN). The primary objective of this study was to demonstrate that US can reliably locate the orSSN. The secondary objective was to describe the features of the proximal SSN. Seventy brachial plexuses (BPs) from 30 healthy volunteers (60 BPs) and 5 cadavers (10 BPs) were included. There were two parts to this study: (1) description of the proximal SSN in healthy volunteers using US to determine the diameter, depth and location of the orSSN; (2) targeting of the orSSN with US in cadaver limbs to determine its distance from the needle, ink marking and locating the orSSN. In Part I, the diameter of the orSSN averaged 1.33 mm (1-9 mm) and its depth averaged 5.12 mm (2.7-10.6 mm). The orSSN was located in the upper trunk of the BP (53) or its posterior division (7). In Part II, the orSSN was successfully targeted in nine of the 10 specimens by US; the needle/orSSN distance averaged 3.8 mm (0-8 mm). The implanted needle was at the orSSN in two cases, proximal to it in seven and distal to it in one. US is a valid modality for describing and pinpointing the orSSN, irrespective of patient morphology. Clin. Anat. 30:747-752, 2017. © 2017Wiley Periodicals, Inc.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Description and ultrasound targeting of the origin of the suprascapular nerve

Laumonerie

Lapègue

Chantalat³

et al. 2017

Clinical Anatomy

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“…In general, neural tissue regeneration takes a relatively long time that may take several weeks 27 , 28 . Therefore, scaffolds for neural tissue regeneration should have long-term biodegradable time to provide a long enough time for nerve regeneration and maturation.…”

Section: Introductionmentioning

confidence: 99%

Aligned laminin core-polydioxanone/collagen shell fiber matrices effective for neuritogenesis

Song

Shin

Kim

et al. 2018

Sci Rep

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Neural tissue regeneration is a significant challenge, because severe nerve injury is quite difficult to regenerate spontaneously. Although, many studies have been devoted to promote nerve regeneration, there are still many technical challenges to achieve satisfactory results. In this study, we designed biomimetic matrices composed of aligned laminin core-polydioxanone/collagen shell (Lam-PDO/Col) fibers, which can provide both topographical and biochemical cues for promoting neuritogenesis. The aligned Lam-PDO/Col core-shell fiber matrices were fabricated by magnetic field-assisted electrospinning with the coaxial system, and their potential as biofunctional scaffolds for promoting neuritogenesis was explored. It was demonstrated that the aligned Lam-PDO/Col core-shell fibers were successfully fabricated, and the laminin in the core of fibers was steadily and continuously released from fibers. In addition, the cellular behaviors of hippocampal neuronal cells on the matrices were significantly enhanced. Moreover, the aligned Lam-PDO/Col fiber matrices effectively improved and guided neurite outgrowth as well as the neurogenic differentiation by providing both topographical and biochemical cues through aligned fiber structure and sustained release of laminin. Collectively, it is suggested that the aligned Lam-PDO/Col core-shell fiber matrices are one of the most promising approaches for promoting neuritogenesis and neural tissue regeneration.

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“…The anatomy of this region has now been described in great detail with regard the course of the PIN (Ebraheim et al., 2000) as well its specific relationship with the supinator muscle (Thomas et al., 2000). MRI can be used to visualize any extrinsically compressive lesion and the recent advent of 3.0 Tesla MRI neurography should increase the usefulness of this imaging modality even further (Marquez Neto et al., 2017; Wang et al., 2017). Ultrasound can be useful for quantifying the degree of constriction seen in compressive neuropathy and HLFC (Ong et al., 2014; Nakamichi et al., 2007), but its other advantage is in combination with needle EMG, improving the accuracy of needle placement (Wininger et al., 2015).…”

Section: Resultsmentioning

confidence: 99%

Isolated spontaneous posterior interosseous nerve palsy: a review of aetiology and management

McGraw

2018

J Hand Surg Eur Vol

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Isolated posterior interosseous nerve palsy is an uncommon condition and its management is controversial. Existing literature is sparse and a treatment algorithm based on existing best evidence is absent. A comprehensive review was undertaken to elucidate the causes of spontaneous posterior interosseous nerve palsy and suggest a management strategy based on the current evidence. Posterior interosseous nerve palsy can be broadly categorized as compressive and non-compressive, and the existing evidence supports surgical intervention for compressive palsy. For posterior interosseous nerve pathology with no compressive lesion on imaging, conservative management should be tried first. Surgery is therefore reserved for compressive lesions and for failure of conservative management. The commonly performed operative procedures include decompression and neurolysis, neurorrhaphy and nerve grafting, and tendon transfers with or without nerve grafting performed as a salvage procedure. The prognosis is poorer in patients aged > 50 years, those with a delay to surgery, and those who have had long-standing compression with severe fascicular thinning.

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The role of magnetic resonance imaging in the evaluation of peripheral nerves following traumatic lesion: where do we stand?

Abstract: These seven articles were subsequently evaluated by analyzing their results, methodological approach, and conclusions presented.

Cited by 35 publications

References 34 publications

Description and ultrasound targeting of the origin of the suprascapular nerve

Description and ultrasound targeting of the origin of the suprascapular nerve

Aligned laminin core-polydioxanone/collagen shell fiber matrices effective for neuritogenesis

Isolated spontaneous posterior interosseous nerve palsy: a review of aetiology and management

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