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Spine
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Neoplasms, Cysts, and Other Masses
Nonneoplastic Cysts and Tumor Mimics
Nonneoplastic Masses and Tumor Mimics
Calcifying Pseudoneoplasm of Neuraxis
Calcifying Pseudoneoplasm of Neuraxis
Jeffrey S. Ross, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            TERMINOLOGY

            • Abbreviations

              • Calcifying pseudoneoplasm of neuraxis (CAPNON)

            • Definitions

              • Rare, nonneoplastic, calcified lesions of CNS that can occur as either extraaxial or intraaxial masses
              • Diagnosis of exclusion

            IMAGING

            • General Features

              • CT Findings

                • MR Findings

                  DIFFERENTIAL DIAGNOSIS

                    PATHOLOGY

                    • General Features

                      • Gross Pathologic & Surgical Features

                        • Microscopic Features

                          CLINICAL ISSUES

                          • Presentation

                            • Demographics

                              • Natural History & Prognosis

                                • Treatment

                                  DIAGNOSTIC CHECKLIST

                                  • Consider

                                    Selected References

                                    1. Gauden AJ et al: Calcifying pseudoneoplasm of the neuraxis: a case report and review of the literature. J Clin Neurosci. 70:257-9, 2019
                                    2. Nussbaum ES et al: Extradural petromastoid calcifying pseudoneoplasm of the neuraxis (CAPNON): case report and literature review. Clin Neurol Neurosurg. 166:99-106, 2018
                                    3. Saha A et al: Calcifying pseudoneoplasm of the spine: imaging and pathological features. Neuroradiol J. 31(4):440-4, 2017
                                    4. Alshareef M et al: Calcifying pseudoneoplasm of the cervicomedullary junction: case report and a literature review. World Neurosurg. 85:364.e11-8, 2016
                                    5. García Duque S et al: Calcifying pseudoneoplasms of the neuraxis: report on four cases and review of the literature. Clin Neurol Neurosurg. 143:116-20, 2016
                                    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

                                              TERMINOLOGY

                                              • Abbreviations

                                                • Calcifying pseudoneoplasm of neuraxis (CAPNON)

                                              • Definitions

                                                • Rare, nonneoplastic, calcified lesions of CNS that can occur as either extraaxial or intraaxial masses
                                                • Diagnosis of exclusion

                                              IMAGING

                                              • General Features

                                                • CT Findings

                                                  • MR Findings

                                                    DIFFERENTIAL DIAGNOSIS

                                                      PATHOLOGY

                                                      • General Features

                                                        • Gross Pathologic & Surgical Features

                                                          • Microscopic Features

                                                            CLINICAL ISSUES

                                                            • Presentation

                                                              • Demographics

                                                                • Natural History & Prognosis

                                                                  • Treatment

                                                                    DIAGNOSTIC CHECKLIST

                                                                    • Consider

                                                                      Selected References

                                                                      1. Gauden AJ et al: Calcifying pseudoneoplasm of the neuraxis: a case report and review of the literature. J Clin Neurosci. 70:257-9, 2019
                                                                      2. Nussbaum ES et al: Extradural petromastoid calcifying pseudoneoplasm of the neuraxis (CAPNON): case report and literature review. Clin Neurol Neurosurg. 166:99-106, 2018
                                                                      3. Saha A et al: Calcifying pseudoneoplasm of the spine: imaging and pathological features. Neuroradiol J. 31(4):440-4, 2017
                                                                      4. Alshareef M et al: Calcifying pseudoneoplasm of the cervicomedullary junction: case report and a literature review. World Neurosurg. 85:364.e11-8, 2016
                                                                      5. García Duque S et al: Calcifying pseudoneoplasms of the neuraxis: report on four cases and review of the literature. Clin Neurol Neurosurg. 143:116-20, 2016