[Neurinoma of the ulnar nerve detected by ultrasonography: case report and discussion].

Abstract

The author describes the observation of nervus ulnaris neurinoma in a 10-year boy, who manifested the tumour clinically as a palpation -sensitive resistance. It was represented in the ultrasonographic picture as a sharply demarcated ovoid lesion of strongly hypo-echogenic character, homogenous echo-structure, while distal enhancement was mildly expressed behind the tumour. Based on the analysis of literature data the author discusses in detail ultrasonographic picture of tumours of peripheral nerves.