The study involves recording personal, clinical, and instrumental information. The acquisition of the above-mentioned personal and clinical information will be carried out in conjunction with the usual follow-up visits scheduled as part of normal clinical practice. At the end of the study, a statistical analysis of the data will be carried out.

Patients will be asked to participate in the prospective observational study after being fully informed of its objectives and how they will be pursued. Patient compliance is made official by signing the informed consent form.

Patients will then undergo nerve conduction tests and electromyography, as appropriate, and ultrasound evaluation as per clinical practice.

Prior to the above diagnostic investigations, patients will perform a neurological examination to assess the distribution and severity of neuropat

Inclusion Criteria:

1. Adult patients (age ≧ 18 years old) able to give consent
2. Diagnosis of peripheral nerve disorder

Exclusion Criteria:

1. The patient is unable to consent for him/herself

recording all diagnosed peripheral neuropathies of P. Pederzoli Hospital in order to systematically collect demographic and clinical data (including data on diagnostic methods of an electrophysiological, imaging and laboratory nature)