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Δευτέρα 12 Μαρτίου 2018

4. Median/ulnar nerve ultrasound cross-sectional area ratio in ALS

It has been shown that hand muscle wasting in amyotrophic lateral sclerosis (ALS) preferentially affects the thenar muscles, with relative sparing of the hypothenar muscles. This so-called "split-hand" is clinical sign that can be used to differentiate ALS from mimic disorders, and is thought to be caused by a difference in nerve excitability between median and ulnar nerve. The split-hand phenomenon has been largely discussed in regard to neurophysiological finding, but no studies performed comparing median and ulnar nerve size using ultrasound.

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