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Muscle Nerve. 2016 Apr;53(4):532-7. doi: 10.1002/mus.24879. Epub 2016 Jan 5.

Fascicular involvement in common fibular neuropathy: Evaluation with ultrasound.

Author information

1
Department of Health Sciences, University of Genoa, Largo Rosanna Benzi 8, 16132, Genoa, Italy.
2
Institute of Anatomy, Department of Experimental Medicine, University of Genoa, Genoa, Italy.
3
Ente Ospedaliero Ospedali Galliera, Unità Operativa S.C. Neurologia, Genoa, Italy.

Abstract

INTRODUCTION:

The aim of this study was to demonstrate single fascicular involvement in common fibular (CF) neuropathy using high-resolution ultrasound (US).

METHODS:

We prospectively enrolled 40 adult patients with clinical and electrodiagnostic suspected CF neuropathy between April 2012 and December 2014. Two musculoskeletal radiologists used high-resolution US probes to prospectively and independently evaluate the CF nerve bilaterally in these patients. The presence of single fascicular involvement (increased cross-sectional area and loss of fascicular echotexture) was recorded.

RESULTS:

US revealed involvement of only 1 fascicular component of the CF nerve in 7 patients. In all these patients, US revealed involvement of the anterior fascicles corresponding to fibers for the deep fibular nerve.

CONCLUSIONS:

High-resolution US allowed identification of single fascicular involvement in CF neuropathy. Anterior fascicular involvement was present in up to 17% of patients with suspected CF neuropathy.

KEYWORDS:

diagnosis; fascicle; fibular nerve; mononeuropathy; ultrasound

PMID:
26256104
DOI:
10.1002/mus.24879
[Indexed for MEDLINE]

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