Uncommon compressive neuropathies of upper limbs.

To present the clinical features of less common entrapment neuropathies of upper limbs, introduce diagnostic tools, comment on the general bases of treatment, and create awareness of these conditions. Although these conditions are rare, adequate and rapid diagnosis is necessary to initiate appropriate treatment in a timely manner, in order to avoid further nerve insults, associated muscle atrophy, and their consequences in quality of life.