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Muscle Nerve. 2017 Jun;55(6):849-857. doi: 10.1002/mus.25418. Epub 2017 Mar 21.

Ultrasound versus MRI in common fibular neuropathy.

Author information

1
Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy.
2
Ente Ospedaliero Ospedali Galliera, Genova, Italy.
3
Institute of Anatomy, Department of Experimental Medicine (DIMES), University of Genoa, Via L.B. Alberti 2, 16132, Genoa, Italy.

Abstract

INTRODUCTION:

We prospectively compared ultrasound (US) and MRI in patients with common fibular neuropathy.

METHODS:

Forty adult patients with clinical suspicion of common fibular neuropathy and 40 healthy controls underwent both US and MRI. US and MRI datasets were randomized for prospective reading.

RESULTS:

The overall sensitivity of US and MRI for diagnosing fibular neuropathy was 90% (95% confidence interval [CI], 79.7%-97.3%) and 87.5% (95% CI, 71.55%-93.1%), respectively. The overall specificity of US and MRI was 92% (95% CI, 77.45%-96.1%) and 85% (95% CI, 73.3%-94.4%), respectively. The overall sensitivity and specificity of US combined with MRI were 94% (95% CI, 0.80%-0.99%) and 84% (95% CI, 0.70%-0.91%), respectively. Overall intra- and inter-observer agreements among 3 readers were 0.76% (95% CI, 0.62%-0.85%) and 0.74% (95% CI, 0.65%-0.81%).

CONCLUSIONS:

US diagnostic accuracy for common fibular neuropathy was slightly higher than that of MRI. Muscle Nerve 55: 849-857, 2017.

KEYWORDS:

fibular nerve; magnetic resonance imaging; sensitivity; specificity; ultrasound

PMID:
27668978
DOI:
10.1002/mus.25418
[Indexed for MEDLINE]

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