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Muscle Nerve. 2012 Jul;46(1):38-41. doi: 10.1002/mus.23269. Epub 2012 May 29.

Morphological changes of the epineurium in leprosy: a new finding detected by high-resolution sonography.

Author information

  • 1Department of Neurology and Clinical Neurophysiology, St Elisabeth hospital, Tilburg, The Netherlands. l.visser@elisabeth.nl

Abstract

INTRODUCTION:

From histopathological studies of peripheral nerves in leprosy, it is known that the epineurium can be thickened. We measured the epineurial thickness of the ulnar nerve by high resolution sonography (HRUS).

METHODS:

The epineurium of the ulnar nerve was measured above the elbow on transverse scan in 25 healthy controls and 26 leprosy patients.

RESULTS:

The mean epineurial thickness was 0.77 mm (95% confidence interval [CI] 0.66-0.88) in symptomatic ulnar nerves (n = 20), 0.58 mm (CI 0.51-0.65) in asymptomatic nerves (n = 30), and 0.49 mm (CI 0.44-0.54) in healthy controls (n = 25) (P = 0.0001). This thickening was related to the cross-sectional area of the ulnar nerve, but not with increased blood flow.

CONCLUSIONS:

The epineurium of the ulnar nerve can be measured with the use of HRUS, and it is often strikingly thickened in leprosy patients, especially in those with ulnar involvement.

Copyright © 2012 Wiley Periodicals, Inc.

PMID:
22644782
[PubMed - indexed for MEDLINE]
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