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Peripheral nerve ultrasound is a relatively new technique for the diagnosis of peripheral nerve disorders. Although much of the experience has been in the context of entrapment neuropathies, a role has been reported for ultrasound in diagnosing other types of neuropathies such as hereditary, immune-mediated, infectious, and axonal neuropathies. The objective of this prospective, systematic, multicenter study was to determine interobserver variability of nerve ultrasound in peripheral neuropathies (PNs).
Twenty patients with acquired chronic demyelinating or axonal polyneuropathy and 10 healthy controls were enrolled at 3 different centers. Experienced sonographers blinded to clinical information and other tests conducted an extensive protoco…