Brachial neuritis: investigations
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Brachial neuritis: investigations. Focal or diffuse nerve/fascicle enlargement, Fascicular entwinement. Fully referenced neurology checklist.
High resolution ultrasound: features
- Focal or diffuse nerve/fascicle enlargement
- Fascicular entwinement
- Nerve constriction: this may give the hourglass appearance
Magnetic resonance imaging (MRI)
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Nerve conduction studies (NCS)
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Positron emission tomography (PET) scan
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Synonyms
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References
- ArÁnyi Z, Csillik A, DéVay K, et al. Ultrasonography in neuralgic amyotrophy: Sensitivity, spectrum of findings, and clinical correlations. Muscle Nerve 2017; doi: 10.1002/mus.25708 (Epub ahead of print).
- Arányi Z, Csillik A, Dévay K, et al. Ultrasonographic identification of nerve pathology in neuralgic amyotrophy: Enlargement, constriction, fascicular entwinement, and torsion. Muscle Nerve 2015; 52:503-511.
- Shi F, Zhou X, Li X. Neuralgic amyotrophy with multiple hourglass-like constrictions of anterior interosseous nerve: a case report. Front Neurol 2024; 15:1306264.
- Lieba-Samal D, Jengojan S, Kasprian G, Wöber C, Bodner G. Neuroimaging of classic neuralgic amyotrophy. Muscle Nerve 2016; 54:1079-1085.
- Sneag DB, Saltzman EB, Meister DW, Feinberg JH, Lee SK, Wolfe SW. MRI bullseye sign: An indicator of peripheral nerve constriction in parsonage-turner syndrome. Muscle Nerve 2017; 56:99-106.
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