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Brachial Plexus Schwannoma in Perivertebral Space
Surjith Vattoth, MD, FRCR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Abbreviations

                • Brachial plexus (BP) schwannoma
              • Synonyms

                • Peripheral nerve sheath tumor
                • Neurilemmoma, neurinoma, or neuroma
              • Definitions

                • Benign Schwann cell neoplasm that arises from BP in perivertebral space (PVS)
                • PVS is cylindrical space surrounding vertebral column bound by deep layer of deep cervical fascia (DL-DCF)
                  • Subdivided at level of transverse processes into anterior prevertebral and posterior paraspinal components

              IMAGING

              • General Features

                • CT Findings

                  • MR Findings

                    • Ultrasonographic Findings

                      • Imaging Recommendations

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • General Features

                            • Gross Pathologic & Surgical Features

                              • Microscopic Features

                                CLINICAL ISSUES

                                • Presentation

                                  • Demographics

                                    • Natural History & Prognosis

                                      • Treatment

                                        DIAGNOSTIC CHECKLIST

                                        • Image Interpretation Pearls

                                          • Reporting Tips

                                            Selected References

                                            1. Wang X et al: MR Neurography of brachial plexus at 3.0 t with robust fat and blood suppression. Radiology. 283(2):538-46, 2017
                                            2. Lutz AM et al: MR imaging of the brachial plexus. Neuroimaging Clin N Am. 24(1):91-108, 2014
                                            3. Chhabra A et al: High-resolution 3T MR neurography of the brachial plexus and its branches, with emphasis on 3D imaging. AJNR Am J Neuroradiol. 34(3):486-97, 2013
                                            4. Guerrissi JO: Solitary benign schwannomas in major nerve systems of the head and neck. J Craniofac Surg. 20(3):957-61, 2009
                                            5. Siqueira MG et al: Management of brachial plexus region tumours and tumour-like conditions: relevant diagnostic and surgical features in a consecutive series of eighteen patients. Acta Neurochir (Wien). 151(9):1089-98, 2009
                                            6. de Araujo CE et al: Neck nerve trunks schwannomas: clinical features and postoperative neurologic outcome. Laryngoscope. 118(9):1579-82, 2008
                                            7. Gupta G et al: Malignant peripheral nerve sheath tumors. Neurosurg Clin N Am. 19(4):533-43, v, 2008
                                            8. Binder DK et al: Primary brachial plexus tumors: imaging, surgical, and pathological findings in 25 patients. Neurosurg Focus. 16(5):E11, 2004
                                            9. Wittenberg KH et al: MR imaging of nontraumatic brachial plexopathies: frequency and spectrum of findings. Radiographics. 20(4):1023-32, 2000
                                            10. Murphey MD et al: From the archives of the AFIP. Imaging of musculoskeletal neurogenic tumors: radiologic-pathologic correlation. Radiographics. 19(5):1253-80, 1999
                                            Related Anatomy
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                                            Related Differential Diagnoses
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                                            References
                                            Tables

                                            Tables

                                            KEY FACTS

                                            • Terminology

                                              • Imaging

                                                • Top Differential Diagnoses

                                                  • Pathology

                                                    • Clinical Issues

                                                      • Diagnostic Checklist

                                                        TERMINOLOGY

                                                        • Abbreviations

                                                          • Brachial plexus (BP) schwannoma
                                                        • Synonyms

                                                          • Peripheral nerve sheath tumor
                                                          • Neurilemmoma, neurinoma, or neuroma
                                                        • Definitions

                                                          • Benign Schwann cell neoplasm that arises from BP in perivertebral space (PVS)
                                                          • PVS is cylindrical space surrounding vertebral column bound by deep layer of deep cervical fascia (DL-DCF)
                                                            • Subdivided at level of transverse processes into anterior prevertebral and posterior paraspinal components

                                                        IMAGING

                                                        • General Features

                                                          • CT Findings

                                                            • MR Findings

                                                              • Ultrasonographic Findings

                                                                • Imaging Recommendations

                                                                  DIFFERENTIAL DIAGNOSIS

                                                                    PATHOLOGY

                                                                    • General Features

                                                                      • Gross Pathologic & Surgical Features

                                                                        • Microscopic Features

                                                                          CLINICAL ISSUES

                                                                          • Presentation

                                                                            • Demographics

                                                                              • Natural History & Prognosis

                                                                                • Treatment

                                                                                  DIAGNOSTIC CHECKLIST

                                                                                  • Image Interpretation Pearls

                                                                                    • Reporting Tips

                                                                                      Selected References

                                                                                      1. Wang X et al: MR Neurography of brachial plexus at 3.0 t with robust fat and blood suppression. Radiology. 283(2):538-46, 2017
                                                                                      2. Lutz AM et al: MR imaging of the brachial plexus. Neuroimaging Clin N Am. 24(1):91-108, 2014
                                                                                      3. Chhabra A et al: High-resolution 3T MR neurography of the brachial plexus and its branches, with emphasis on 3D imaging. AJNR Am J Neuroradiol. 34(3):486-97, 2013
                                                                                      4. Guerrissi JO: Solitary benign schwannomas in major nerve systems of the head and neck. J Craniofac Surg. 20(3):957-61, 2009
                                                                                      5. Siqueira MG et al: Management of brachial plexus region tumours and tumour-like conditions: relevant diagnostic and surgical features in a consecutive series of eighteen patients. Acta Neurochir (Wien). 151(9):1089-98, 2009
                                                                                      6. de Araujo CE et al: Neck nerve trunks schwannomas: clinical features and postoperative neurologic outcome. Laryngoscope. 118(9):1579-82, 2008
                                                                                      7. Gupta G et al: Malignant peripheral nerve sheath tumors. Neurosurg Clin N Am. 19(4):533-43, v, 2008
                                                                                      8. Binder DK et al: Primary brachial plexus tumors: imaging, surgical, and pathological findings in 25 patients. Neurosurg Focus. 16(5):E11, 2004
                                                                                      9. Wittenberg KH et al: MR imaging of nontraumatic brachial plexopathies: frequency and spectrum of findings. Radiographics. 20(4):1023-32, 2000
                                                                                      10. Murphey MD et al: From the archives of the AFIP. Imaging of musculoskeletal neurogenic tumors: radiologic-pathologic correlation. Radiographics. 19(5):1253-80, 1999