Magnetic resonance imaging of traumatic and non-traumatic brachial plexopathies
Yiru Lorna Fan1, Mohamad Isham Bin Othman2, Niraj Dubey2
1NHG-AHPL Residency in Diagnostic Radiology, Khoo Teck Puat Hospital, Alexandra Health System, Singapore.
Abstract:
Adult-onset brachial plexopathy can be classified into traumatic and non-traumatic aetiologies. Traumatic brachial plexopathies can affect the pre- or postganglionic segments of the plexus. Non-traumatic brachial plexopathies may be due to neoplasia, radiotherapy, thoracic outlet syndrome and idiopathic neuralgic amyotrophy. Conventional magnetic resonance imaging (MRI) is useful to localise the area of injury or disease, and identify the likely cause. This review discusses some of the common causes of adult-onset brachial plexopathy and their imaging features on MRI. We also present a series of cases to illustrate some of these causes and their MRI findings.
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