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

    ESSENTIAL INFORMATION

    • Key Differential Diagnosis Issues

      • Helpful Clues for Common Diagnoses

        • Helpful Clues for Less Common Diagnoses

          • Helpful Clues for Rare Diagnoses

            • Alternative Differential Approaches

              Selected References

              1. Ledbetter LN et al: Imaging of intraspinal tumors. Radiol Clin North Am. 57(2):341-57, 2019
              2. Yahanda AT et al: Treatment, complications, and outcomes of metastatic disease of the spine: from Patchell to PROMIS. Ann Transl Med. 7(10):216, 2019
              3. Barzilai O et al: State of the art treatment of spinal metastatic disease. Neurosurgery. 82(6):757-69, 2018
              4. Lista-Martínez O et al: Lumbar synovial cysts: presentation of a series of 10 cases and literature review. Rev Esp Cir Ortop Traumatol. S1888-4415(16)30078-9, 2016
              5. Nath PC et al: Intradural spinal arachnoid cyst: a tong-term postlaminectomy complication: a case report and review of the literature. World Neurosurg. 85:367.e1-4, 2016
              6. Radcliff KE et al: Distinguishing pseudomeningocele, epidural hematoma, and postoperative infection on postoperative MRI. Clin Spine Surg. 29(9):E471-4, 2016
              7. Maher CO et al: Incidental findings on brain and spine imaging in children. Pediatrics. 135(4):e1084-96, 2015
              8. Tsutsumi S et al: Magnetic resonance imaging appearance of primary spinal extradural Ewing's sarcoma: case report and literature review. Clin Neuroradiol. 23(2):81-5, 2013
              Related Anatomy
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              Related Differential Diagnoses
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              References
              Tables

              Tables

              DIFFERENTIAL DIAGNOSIS

                ESSENTIAL INFORMATION

                • Key Differential Diagnosis Issues

                  • Helpful Clues for Common Diagnoses

                    • Helpful Clues for Less Common Diagnoses

                      • Helpful Clues for Rare Diagnoses

                        • Alternative Differential Approaches

                          Selected References

                          1. Ledbetter LN et al: Imaging of intraspinal tumors. Radiol Clin North Am. 57(2):341-57, 2019
                          2. Yahanda AT et al: Treatment, complications, and outcomes of metastatic disease of the spine: from Patchell to PROMIS. Ann Transl Med. 7(10):216, 2019
                          3. Barzilai O et al: State of the art treatment of spinal metastatic disease. Neurosurgery. 82(6):757-69, 2018
                          4. Lista-Martínez O et al: Lumbar synovial cysts: presentation of a series of 10 cases and literature review. Rev Esp Cir Ortop Traumatol. S1888-4415(16)30078-9, 2016
                          5. Nath PC et al: Intradural spinal arachnoid cyst: a tong-term postlaminectomy complication: a case report and review of the literature. World Neurosurg. 85:367.e1-4, 2016
                          6. Radcliff KE et al: Distinguishing pseudomeningocele, epidural hematoma, and postoperative infection on postoperative MRI. Clin Spine Surg. 29(9):E471-4, 2016
                          7. Maher CO et al: Incidental findings on brain and spine imaging in children. Pediatrics. 135(4):e1084-96, 2015
                          8. Tsutsumi S et al: Magnetic resonance imaging appearance of primary spinal extradural Ewing's sarcoma: case report and literature review. Clin Neuroradiol. 23(2):81-5, 2013