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Choroid Plexus Papilloma
Anne G. Osborn, MD, FACR; Chang Yueh Ho, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Abbreviations

              • Choroid plexus tumor (CPT)
                • 3 recognized subtypes of CPTs
                  • Choroid plexus papilloma (CPP)
                  • Atypical choroid plexus papilloma (aCPP)
                  • Choroid plexus carcinoma (CPCa)
            • Definitions

              • Benign (WHO grade I) papillary neoplasm derived from choroid plexus epithelium

            IMAGING

            • General Features

              • Radiographic Findings

                • CT Findings

                  • MR Findings

                    • Ultrasonographic Findings

                      • Angiographic Findings

                        • Nuclear Medicine 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. Cannon DM et al: Choroid plexus tumor epidemiology and outcomes: implications for surgical and radiotherapeutic management. J Neurooncol. 121(1):151-7, 2015
                                                  2. Japp AS et al: High-resolution genomic analysis does not qualify atypical plexus papilloma as a separate entity among choroid plexus tumors. J Neuropathol Exp Neurol. 74(2):110-20, 2015
                                                  3. Thomas C et al: Pediatric atypical choroid plexus papilloma reconsidered: increased mitotic activity is prognostic only in older children. Acta Neuropathol. ePub, 2015
                                                  4. Anderson M et al: Unique presentation of cerebellopontine angle choroid plexus papillomas: case report and review of the literature. J Neurol Surg Rep. 75(1):e27-32, 2014
                                                  5. Turkoglu E et al: Clinical outcome of adult choroid plexus tumors: retrospective analysis of a single institute. Acta Neurochir (Wien). 156(8):1461-8; discussion 1467-8, 2014
                                                  6. Gupta P et al: Choroid plexus papilloma of the third ventricle: A rare infantile brain tumor. J Pediatr Neurosci. 8(3):247-9, 2013
                                                  7. Safaee M et al: Surgical outcomes in choroid plexus papillomas: an institutional experience. J Neurooncol. 113(1):117-25, 2013
                                                  8. Lysyy O et al: Choroid plexus papilloma in an infant: ultrasound diagnosis. Eur J Pediatr. 171(11):1717-8, 2012
                                                  9. Ogiwara H et al: Choroid plexus tumors in pediatric patients. Br J Neurosurg. 26(1):32-7, 2012
                                                  10. Hasselblatt M et al: TWIST-1 is overexpressed in neoplastic choroid plexus epithelial cells and promotes proliferation and invasion. Cancer Res. 69(6):2219-23, 2009
                                                  11. Naeini RM et al: Spectrum of choroid plexus lesions in children. AJR Am J Roentgenol. 192(1):32-40, 2009
                                                  12. Ma YH et al: Primary choroid plexus papilloma of the sellar region. J Neurooncol. 88(1):51-5, 2008
                                                  13. Buckle C et al: Choroid plexus papilloma of the third ventricle. Pediatr Radiol. 37(7):725, 2007
                                                  14. Frye RE et al: Choroid plexus papilloma expansion over 7 years in Aicardi syndrome. J Child Neurol. 22(4):484-7, 2007
                                                  15. Jeibmann A et al: Malignant progression in choroid plexus papillomas. J Neurosurg. 107(3 Suppl):199-202, 2007
                                                  16. Jinhu Y et al: Metastasis of a histologically benign choroid plexus papilloma: case report and review of the literature. J Neurooncol. 83(1):47-52, 2007
                                                  17. Kaptanoglu E et al: Spinal drop metastasis of choroid plexus papilloma. J Clin Neurosci. 14(4):381-3, 2007
                                                  18. Ortega-Martínez M et al: Diffuse leptomeningeal seeding from benign choroid plexus papilloma. Acta Neurochir (Wien). 149(12):1229-36; discussion 1236-7, 2007
                                                  19. Hasselblatt M et al: Identification of novel diagnostic markers for choroid plexus tumors: a microarray-based approach. Am J Surg Pathol. 30(1):66-74, 2006
                                                  20. D'Ambrosio AL et al: Villous hypertrophy versus choroid plexus papilloma: a case report demonstrating a diagnostic role for the proliferation index. Pediatr Neurosurg. 39(2):91-6, 2003
                                                  21. Rickert CH et al: Tumors of the choroid plexus. Microsc Res Tech. 52(1):104-11, 2001
                                                  Related Anatomy
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                                                  Related Differential Diagnoses
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                                                  References
                                                  Tables

                                                  Tables

                                                  KEY FACTS

                                                  • Terminology

                                                    • Imaging

                                                      • Top Differential Diagnoses

                                                        • Clinical Issues

                                                          • Diagnostic Checklist

                                                            TERMINOLOGY

                                                            • Abbreviations

                                                              • Choroid plexus tumor (CPT)
                                                                • 3 recognized subtypes of CPTs
                                                                  • Choroid plexus papilloma (CPP)
                                                                  • Atypical choroid plexus papilloma (aCPP)
                                                                  • Choroid plexus carcinoma (CPCa)
                                                            • Definitions

                                                              • Benign (WHO grade I) papillary neoplasm derived from choroid plexus epithelium

                                                            IMAGING

                                                            • General Features

                                                              • Radiographic Findings

                                                                • CT Findings

                                                                  • MR Findings

                                                                    • Ultrasonographic Findings

                                                                      • Angiographic Findings

                                                                        • Nuclear Medicine 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. Cannon DM et al: Choroid plexus tumor epidemiology and outcomes: implications for surgical and radiotherapeutic management. J Neurooncol. 121(1):151-7, 2015
                                                                                                  2. Japp AS et al: High-resolution genomic analysis does not qualify atypical plexus papilloma as a separate entity among choroid plexus tumors. J Neuropathol Exp Neurol. 74(2):110-20, 2015
                                                                                                  3. Thomas C et al: Pediatric atypical choroid plexus papilloma reconsidered: increased mitotic activity is prognostic only in older children. Acta Neuropathol. ePub, 2015
                                                                                                  4. Anderson M et al: Unique presentation of cerebellopontine angle choroid plexus papillomas: case report and review of the literature. J Neurol Surg Rep. 75(1):e27-32, 2014
                                                                                                  5. Turkoglu E et al: Clinical outcome of adult choroid plexus tumors: retrospective analysis of a single institute. Acta Neurochir (Wien). 156(8):1461-8; discussion 1467-8, 2014
                                                                                                  6. Gupta P et al: Choroid plexus papilloma of the third ventricle: A rare infantile brain tumor. J Pediatr Neurosci. 8(3):247-9, 2013
                                                                                                  7. Safaee M et al: Surgical outcomes in choroid plexus papillomas: an institutional experience. J Neurooncol. 113(1):117-25, 2013
                                                                                                  8. Lysyy O et al: Choroid plexus papilloma in an infant: ultrasound diagnosis. Eur J Pediatr. 171(11):1717-8, 2012
                                                                                                  9. Ogiwara H et al: Choroid plexus tumors in pediatric patients. Br J Neurosurg. 26(1):32-7, 2012
                                                                                                  10. Hasselblatt M et al: TWIST-1 is overexpressed in neoplastic choroid plexus epithelial cells and promotes proliferation and invasion. Cancer Res. 69(6):2219-23, 2009
                                                                                                  11. Naeini RM et al: Spectrum of choroid plexus lesions in children. AJR Am J Roentgenol. 192(1):32-40, 2009
                                                                                                  12. Ma YH et al: Primary choroid plexus papilloma of the sellar region. J Neurooncol. 88(1):51-5, 2008
                                                                                                  13. Buckle C et al: Choroid plexus papilloma of the third ventricle. Pediatr Radiol. 37(7):725, 2007
                                                                                                  14. Frye RE et al: Choroid plexus papilloma expansion over 7 years in Aicardi syndrome. J Child Neurol. 22(4):484-7, 2007
                                                                                                  15. Jeibmann A et al: Malignant progression in choroid plexus papillomas. J Neurosurg. 107(3 Suppl):199-202, 2007
                                                                                                  16. Jinhu Y et al: Metastasis of a histologically benign choroid plexus papilloma: case report and review of the literature. J Neurooncol. 83(1):47-52, 2007
                                                                                                  17. Kaptanoglu E et al: Spinal drop metastasis of choroid plexus papilloma. J Clin Neurosci. 14(4):381-3, 2007
                                                                                                  18. Ortega-Martínez M et al: Diffuse leptomeningeal seeding from benign choroid plexus papilloma. Acta Neurochir (Wien). 149(12):1229-36; discussion 1236-7, 2007
                                                                                                  19. Hasselblatt M et al: Identification of novel diagnostic markers for choroid plexus tumors: a microarray-based approach. Am J Surg Pathol. 30(1):66-74, 2006
                                                                                                  20. D'Ambrosio AL et al: Villous hypertrophy versus choroid plexus papilloma: a case report demonstrating a diagnostic role for the proliferation index. Pediatr Neurosurg. 39(2):91-6, 2003
                                                                                                  21. Rickert CH et al: Tumors of the choroid plexus. Microsc Res Tech. 52(1):104-11, 2001