Shear wave elastography of median nerve at wrist and forearm. Heterogeneity of normative values

we have read the Letter by Paluch and collaborators about the potential usefulness of wrist-forearm ratio of the median nerve stiffness measured by shear wave elastography (SWE).1 The paper is very interesting and we completely agree with the authors about the use of relative values instead of absolute ones to increase the diagnostic meaning of the SWE findings. A similar approach of ratio between two segment of the same nerve has shown high usefulness in other measurements, like nerve cross sectional area.

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