The diagnosis of peripheral nerve lesions relies on clinical history, physical examination, electrodiagnostic studies, and radiography. The availability of these methods may be limited, and the costs can be significant. By comparison, ultrasonography is a comfortable, sensitive and economic technology, however, until now it is not widespread in Russia. An increasing number of publications have evaluated the role of ultrasonography in peripheral nerve diseases. The authors explored the clinical applicability of high-resolution ultrasonography in the preoperative and intraoperative management of peripheral nerve lesions.