Relation between electrophysiological findings and diffusion weighted magnetic resonance imaging in ulnar neuropathy at the elbow - 23/10/13
, Mehmet Ugur Cevik c, Abdullah Acar c, Sefer Varol c, Adalet Arıkanoglu c, Hakan Onder d, Ertugrul Uzar cBienvenue sur EM-consulte, la référence des professionnels de santé.
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Summary |
Aim |
As only a limited number of studies have used diffusion-weighted imaging (DWI) and conventional magnetic resonance imaging (MRI) in patients with ulnar neuropathy at the elbow (UNE), the present study aimed to investigate the diagnostic value of the non-invasive DWI technique in patients with UNE.
Methods |
A total of 26 elbows in 19 healthy controls (age range: 22–56 years) with no symptoms and 24 elbows in 21 symptomatic patients (age range: 21–46 years) with cubital tunnel syndrome underwent DWI. The electrophysiological and clinical criteria for the diagnosis of UNE were examined.
Results |
No pathological signal from the ulnar nerve was detected in the healthy controls, whereas there was an increase in signals on DWI in all patients with UNE. On T2-weighted (T2W) imaging, there was increased signal intensity in 20 elbows, while low signal intensity was observed in the remaining four. A positive correlation was found between disease duration and presence of hyperintensity (P=0.044, r=0.42) on T2W images.
Conclusion |
DWI can be used together with electrophysiological methods for the diagnosis of UNE. Furthermore, DWI might be preferred in some cases, as it is non-invasive compared with the electrophysiological method for UNE diagnosis.
Le texte complet de cet article est disponible en PDF.Keywords : Ulnar nerve entrapment neuropathy, Diffusion magnetic resonance, Electrophysiology
Plan
Vol 40 - N° 4
P. 260-266 - octobre 2013 Retour au numéro
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