Keywords:
Musculoskeletal system, Neuroradiology peripheral nerve, MR, Other, Education and training
Authors:
S. Kumar, W. Lim, S. Zadow
DOI:
10.26044/ranzcr2022/R-0046
Methods and materials
Peripheral neuropathies are an important cause of pain and functional impairment [1–3]. They can be categorised into non-compressive or compressive aetiology. Peripheral nerve entrapment occurs at specific locations as the nerve passes through a fibro-osseous tunnel or an opening in a fibrous or muscular structure [4–6]. Historically the diagnosis was obtained from clinical history, physical examination and electrophysiological evaluation [7,8]. The symptomology of patient presentation and anatomy of peripheral nerves can vary markedly and therefore the clinical presentation can be ambiguous [9]. Magnetic resonance imaging (MRI) and high-resolution ultrasonography (US), allow direct anatomic visualisation of a nerve, identification of cause, and evaluation of intrinsic abnormalities within the nerves [6,9,10]. Indirect features such as muscle atrophy or denervation oedema can also be detected on imaging.