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Spine
Differential Diagnosis
Extradural
Modality-Specific Imaging Findings
Extradural Lesion, T2 Hypointense, T1 Hypointense
Extradural Lesion, T2 Hypointense, T1 Hypointense
Jeffrey S. Ross, MD; Bryson Borg, MD; Kevin R. Moore, MD
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DIFFERENTIAL DIAGNOSIS

    ESSENTIAL INFORMATION

    • Helpful Clues for Common Diagnoses

      Selected References

      1. Doi T et al: Risk factors for progression of ossification of the posterior longitudinal ligament in asymptomatic subjects. J Neurosurg Spine. 1-7, 2020
      2. Takai K et al: Microsurgical versus endovascular treatment of spinal epidural arteriovenous fistulas with intradural venous drainage: a multicenter study of 81 patients. J Neurosurg Spine. 1-11, 2020
      3. An HS et al: Surgical treatment for ossification of the posterior longitudinal ligament in the cervical spine. J Am Acad Orthop Surg. 22(7):420-9, 2014
      4. Ikegawa S: Genetics of ossification of the posterior longitudinal ligament of the spine: a mini review. J Bone Metab. 21(2):127-32, 2014
      5. McLellan AM et al: Optimized imaging of the postoperative spine. Neuroimaging Clin N Am. 24(2):349-64, 2014
      6. Kiyosue H et al: Spinal ventral epidural arteriovenous fistulas of the lumbar spine: angioarchitecture and endovascular treatment. Neuroradiology. 55(3):327-36, 2013
      7. Stradiotti P et al: Metal-related artifacts in instrumented spine. Techniques for reducing artifacts in CT and MRI: state of the art. Eur Spine J. 18 Suppl 1:102-8, 2009
      Related Anatomy
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      References
      Tables

      Tables

      DIFFERENTIAL DIAGNOSIS

        ESSENTIAL INFORMATION

        • Helpful Clues for Common Diagnoses

          Selected References

          1. Doi T et al: Risk factors for progression of ossification of the posterior longitudinal ligament in asymptomatic subjects. J Neurosurg Spine. 1-7, 2020
          2. Takai K et al: Microsurgical versus endovascular treatment of spinal epidural arteriovenous fistulas with intradural venous drainage: a multicenter study of 81 patients. J Neurosurg Spine. 1-11, 2020
          3. An HS et al: Surgical treatment for ossification of the posterior longitudinal ligament in the cervical spine. J Am Acad Orthop Surg. 22(7):420-9, 2014
          4. Ikegawa S: Genetics of ossification of the posterior longitudinal ligament of the spine: a mini review. J Bone Metab. 21(2):127-32, 2014
          5. McLellan AM et al: Optimized imaging of the postoperative spine. Neuroimaging Clin N Am. 24(2):349-64, 2014
          6. Kiyosue H et al: Spinal ventral epidural arteriovenous fistulas of the lumbar spine: angioarchitecture and endovascular treatment. Neuroradiology. 55(3):327-36, 2013
          7. Stradiotti P et al: Metal-related artifacts in instrumented spine. Techniques for reducing artifacts in CT and MRI: state of the art. Eur Spine J. 18 Suppl 1:102-8, 2009