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Magnetic resonance imaging of the brachial plexus. Part 2: Traumatic injuries
Department of Radiology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Region Västra Götaland, Sahlgrenska University Hospital, Department of Radiology, Gothenburg, Sweden; Department of Descriptive and Clinical Anatomy, Centre of Biostructure Research, Medical University of Warsaw Chałubinskiego 5, Warsaw, Poland.
Department of Radiology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Region Västra Götaland, Sahlgrenska University Hospital, Department of Radiology, Gothenburg, Sweden; Department of Clinical Sciences, Lund University, Lund, Sweden.
Department of Descriptive and Clinical Anatomy, Centre of Biostructure Research, Medical University of Warsaw Chałubinskiego 5, Warsaw, Poland; Department of Neurosurgery, Bogdanowicz Memorial Hospital, Niekłanska 4/24, Warsaw, Poland.
Umeå universitet, Medicinska fakulteten, Institutionen för klinisk vetenskap, Professionell utveckling. Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Ortopedi.
2022 (Engelska)Ingår i: European Journal of Radiology Open, E-ISSN 2352-0477, Vol. 9, artikel-id 100397Artikel, forskningsöversikt (Refereegranskat) Published
Abstract [en]

The most common indications for magnetic resonance imaging (MRI) of the brachial plexus (BP) are traumatic injuries. The role of MRI of the BP has increased because of recent trends favoring earlier surgery. Determining preganglionic vs. postganglionic injury is essential, as different treatment strategies are required. Thus, MRI of the BP should be supplemented with cervical spine MRI to assess the intradural part of the spinal nerves, including highly T2-weighted techniques. Acute preganglionic injuries usually manifest as various combinations of post-traumatic pseudomeningocele, the absence of roots, deformity of nerve root sleeves, displacement of the spinal cord, hemorrhage in the spinal canal, presence of scars in the spinal canal, denervation of the back muscles, and syrinx. Spinal nerve root absence is more specific than pseudomeningocele on MRI. Acute postganglionic injuries can present as lesions in continuity or tears. The following signs indicate injury to the BP: side-to-side difference, swelling, partial, or total BP rupture. Injury patterns and localization are associated with the mechanism of trauma, which implies a significant role for MRI in the work-up of patients. The identification and description of traumatic lesions involving the brachial plexus need to be systematic and detailed. Using an appropriate MRI protocol, obtaining details about the injury, applying a systematic anatomical approach, and correlating imaging findings to relevant clinical data to make a correct diagnosis. Information about the presence or suspicion of root avulsion should always be provided.

Ort, förlag, år, upplaga, sidor
Elsevier, 2022. Vol. 9, artikel-id 100397
Nyckelord [en]
Anatomy, Brachial plexus, Brachial plexus surgery, Injury, Magnetic resonance imaging, Treatment
Nationell ämneskategori
Radiologi och bildbehandling Ortopedi
Identifikatorer
URN: urn:nbn:se:umu:diva-192377DOI: 10.1016/j.ejro.2022.100397ISI: 000819932000006Scopus ID: 2-s2.0-85123935270OAI: oai:DiVA.org:umu-192377DiVA, id: diva2:1636940
Tillgänglig från: 2022-02-11 Skapad: 2022-02-11 Senast uppdaterad: 2023-09-05Bibliografiskt granskad

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