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Atypical Choroid Plexus Papilloma
Santhosh Gaddikeri, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Abbreviations

                • Choroid plexus tumor (CPT)
                • Atypical choroid plexus papilloma (aCPP)
              • Definitions

                • CPT with intermediate characteristics & mitotic rate of 2-5 per 10 HPF

              IMAGING

              • General Features

                • CT Findings

                  • MR Findings

                    • Ultrasonographic Findings

                      • Angiographic Findings

                        • Imaging Recommendations

                          DIFFERENTIAL DIAGNOSIS

                            PATHOLOGY

                            • General Features

                              • Staging, Grading, & Classification

                                • Gross Pathologic & Surgical Features

                                  • Microscopic Features

                                    CLINICAL ISSUES

                                    • Presentation

                                      • Demographics

                                        • Natural History & Prognosis

                                          • Treatment

                                            DIAGNOSTIC CHECKLIST

                                            • Consider

                                              • Image Interpretation Pearls

                                                Selected References

                                                1. Hosmann A et al: Management of choroid plexus tumors-an institutional experience. Acta Neurochir (Wien). 161(4):745-54, 2019
                                                2. Lin H et al: Choroid plexus tumours on MRI: similarities and distinctions in different grades. Cancer Imaging. 19(1):17, 2019
                                                3. Shi YZ et al: Atypical choroid plexus papilloma: clinicopathological and neuroradiological features. Acta Radiol. 284185116676651, 2017
                                                4. Siegfried A et al: A French retrospective study on clinical outcome in 102 choroid plexus tumors in children. J Neurooncol. 135(1):151-60, 2017
                                                5. Safaee M et al: Choroid plexus papillomas: advances in molecular biology and understanding of tumorigenesis. Neuro Oncol. 15(3):255-67, 2013
                                                6. Wrede B et al: Atypical choroid plexus papilloma: clinical experience in the CPT-SIOP-2000 study. J Neurooncol. 95(3):383-92, 2009
                                                7. Jeibmann A et al: Prognostic implications of atypical histologic features in choroid plexus papilloma. J Neuropathol Exp Neurol. 65(11):1069-73, 2006
                                                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

                                                              • Choroid plexus tumor (CPT)
                                                              • Atypical choroid plexus papilloma (aCPP)
                                                            • Definitions

                                                              • CPT with intermediate characteristics & mitotic rate of 2-5 per 10 HPF

                                                            IMAGING

                                                            • General Features

                                                              • CT Findings

                                                                • MR Findings

                                                                  • Ultrasonographic Findings

                                                                    • Angiographic Findings

                                                                      • Imaging Recommendations

                                                                        DIFFERENTIAL DIAGNOSIS

                                                                          PATHOLOGY

                                                                          • General Features

                                                                            • Staging, Grading, & Classification

                                                                              • Gross Pathologic & Surgical Features

                                                                                • Microscopic Features

                                                                                  CLINICAL ISSUES

                                                                                  • Presentation

                                                                                    • Demographics

                                                                                      • Natural History & Prognosis

                                                                                        • Treatment

                                                                                          DIAGNOSTIC CHECKLIST

                                                                                          • Consider

                                                                                            • Image Interpretation Pearls

                                                                                              Selected References

                                                                                              1. Hosmann A et al: Management of choroid plexus tumors-an institutional experience. Acta Neurochir (Wien). 161(4):745-54, 2019
                                                                                              2. Lin H et al: Choroid plexus tumours on MRI: similarities and distinctions in different grades. Cancer Imaging. 19(1):17, 2019
                                                                                              3. Shi YZ et al: Atypical choroid plexus papilloma: clinicopathological and neuroradiological features. Acta Radiol. 284185116676651, 2017
                                                                                              4. Siegfried A et al: A French retrospective study on clinical outcome in 102 choroid plexus tumors in children. J Neurooncol. 135(1):151-60, 2017
                                                                                              5. Safaee M et al: Choroid plexus papillomas: advances in molecular biology and understanding of tumorigenesis. Neuro Oncol. 15(3):255-67, 2013
                                                                                              6. Wrede B et al: Atypical choroid plexus papilloma: clinical experience in the CPT-SIOP-2000 study. J Neurooncol. 95(3):383-92, 2009
                                                                                              7. Jeibmann A et al: Prognostic implications of atypical histologic features in choroid plexus papilloma. J Neuropathol Exp Neurol. 65(11):1069-73, 2006