Diffusion tensor imaging of the median nerve before and after carpal tunnel release in patients with carpal tunnel syndrome: feasibility study

Naraghi, Ali; Lobo, Lucas Da Gama; Menezes, Ravi; Khanna, Monica; Sussman, Marshall S.; Anastakis, Dimitri J.; White, Lawrence M.

doi:10.1007/s00256-013-1670-z

Cited by 36 publications

(31 citation statements)

References 36 publications

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“…Similarly, Hiltunen et al . and Nagarhi et al . reported a significant decrease in mean ADC after surgical treatment.…”

Section: Discussionmentioning

confidence: 71%

“…An advanced MRI method known as DTI can provide measurable values of the FA and ADC to ensure more objective results for CTS patients. Recently, MRI has been used both for diagnosis and as an outcome indicator for the surgical treatment of CTS …”

Section: Discussionmentioning

confidence: 99%

“…DTI can also be useful for imaging peripheral nerves . In addition, it is an increasingly popular imaging technique for diagnosis and is an outcome indicator for CTS treatment . There are a few studies on the application of DTI for diagnosis or follow‐up of surgical treatments of CTS.…”

mentioning

confidence: 99%

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Use of diffusion tensor imaging for nonsurgical treatments of carpal tunnel syndrome

et al. 2014

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“…Similarly, Hiltunen et al . and Nagarhi et al . reported a significant decrease in mean ADC after surgical treatment.…”

Section: Discussionmentioning

confidence: 71%

Section: Discussionmentioning

confidence: 99%

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Use of diffusion tensor imaging for nonsurgical treatments of carpal tunnel syndrome

et al. 2014

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“…It has been shown that there is a progressive increase of FA values within the first 6 weeks to 6 months after surgery in patients with clinical improvement. This increase was identified in both the proximal and distal segment of the median nerve at the wrist (67).…”

Section: Peripheral Nerve Tunnel Syndromes and Entrapmentsmentioning

confidence: 93%

Quantitative magnetic resonance (MR) neurography for evaluation of peripheral nerves and plexus injuries

Noguerol¹,

Barousse²,

Socolovsky

et al. 2017

Quant. Imaging Med. Surg.

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Traumatic conditions of peripheral nerves and plexus have been classically evaluated by morphological imaging techniques and electrophysiological tests. New magnetic resonance imaging (MRI) studies based on 3D fat-suppressed techniques are providing high accuracy for peripheral nerve injury evaluation from a qualitative point of view. However, these techniques do not provide quantitative information. Diffusion weighted imaging (DWI) and diffusion tensor imaging (DTI) are functional MRI techniques that are able to evaluate and quantify the movement of water molecules within different biological structures. These techniques have been successfully applied in other anatomical areas, especially in the assessment of central nervous system, and now are being imported, with promising results for peripheral nerve and plexus evaluation. DWI and DTI allow performing a qualitative and quantitative peripheral nerve analysis, providing valuable pathophysiological information about functional integrity of these structures.In the field of trauma and peripheral nerve or plexus injury, several derived parameters from DWI and DTI studies such as apparent diffusion coefficient (ADC) or fractional anisotropy (FA) among others, can be used as potential biomarkers of neural damage providing information about fiber organization, axonal flow or myelin integrity. A proper knowledge of physical basis of these techniques and their limitations is important for an optimal interpretation of the imaging findings and derived data. In this paper, a comprehensive review of the potential applications of DWI and DTI neurographic studies is performed with a focus on traumatic conditions, including main nerve entrapment syndromes in both peripheral nerves and brachial or lumbar plexus.

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“…T2-weighted quantitative mapping, diffusion-weighted, and diffusion tensor sequences are advanced techniques that have been reported in the evaluation of idiopathic carpal tunnel syndrome. [19][20][21][22] MR features associated with the clinical diagnosis of carpal tunnel syndrome include thenar muscle denervation edema and/or atrophy, decreased cross-sectional diameter of the nerve in the carpal tunnel compared with diameter proximal to the tunnel, bowing of the flexor retinaculum, and hyperintensity of the nerve proximal and distal to the compression.…”

Section: Pathology Carpal Tunnel Syndromementioning

confidence: 98%

MR Imaging of the Nerves of the Upper Extremity

Howe

Spinner

Felmlee

et al. 2015

Magnetic Resonance Imaging Clinics of North America

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Diffusion tensor imaging of the median nerve before and after carpal tunnel release in patients with carpal tunnel syndrome: feasibility study

Abstract: A significant increase in FA and decrease in ADC of the median nerve are seen following decompression surgery in patients with CTS.

Cited by 36 publications

References 36 publications

Use of diffusion tensor imaging for nonsurgical treatments of carpal tunnel syndrome

Use of diffusion tensor imaging for nonsurgical treatments of carpal tunnel syndrome

Quantitative magnetic resonance (MR) neurography for evaluation of peripheral nerves and plexus injuries

MR Imaging of the Nerves of the Upper Extremity

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