Joint, bone, spine : revue du rhumatisme
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Peripheral nerves disorders are common in the rheumatologic practice and can mimic a variety of musculoskeletal diseases. Clinical evaluation remains the mainstay for diagnosing nerve disorders of the extremities. A careful history and an accurate physical examination lead in most patients to a high diagnostic suspicion. ⋯ Well recognized advantages of this technique in this field are: the possibility of realizing a dynamic examination and assessing long nerves segments in a short time; it is non-invasive and low cost. In addition US is better accepted by the patients. In this article we present a brief description of the normal and US anatomy of the peripheral nerves followed by a description of the US appearance of the most frequent disorders: entrapment neuropathies (EN), tumor and cystic lesions.