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Pineocytoma
Karen L. Salzman, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            TERMINOLOGY

            • Abbreviations

              • Pineocytoma (PC)
            • Definitions

              • Slow-growing pineal parenchymal tumor (PPT) of young adults
                • Composed of small, uniform, mature cells resembling pineocytes

            IMAGING

            • General Features

              • CT Findings

                • MR 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. Pfaff E et al: Molecular subgrouping of primary pineal parenchymal tumors reveals distinct subtypes correlated with clinical parameters and genetic alterations. Acta Neuropathol. 139(2):243-57, 2020
                                          2. Lo AC et al: Intracranial germ cell tumors in adolescents and young adults: A 40-year multi-institutional review of outcomes. Int J Radiat Oncol Biol Phys. 106(2):269-78, 2019
                                          3. Kumar N et al: Role of radiotherapy in residual pineal parenchymal tumors. Clin Neurol Neurosurg. 166:91-98, 2018
                                          4. Louis DN et al: WHO Classification of Tumours of the Central Nervous System: Pineocytoma. IARC Press. 170-2, 2016
                                          5. Balossier A et al: Role of radiosurgery in the management of pineal region tumours: indications, method, outcome. Neurochirurgie. 61(2-3):216-22, 2015
                                          6. Awa R et al: Neuroimaging diagnosis of pineal region tumors-quest for pathognomonic finding of germinoma. Neuroradiology. 56(7):525-34, 2014
                                          7. Farnia B et al: Clinical outcomes and patterns of failure in pineoblastoma: A 30-year, single-institution retrospective review. World Neurosurg. 82(6):1232-41, 2014
                                          8. Jouvet A et al: Pineal parenchymal tumours and pineal cysts. Neurochirurgie. ePub, 2014
                                          9. Dumrongpisutikul N et al: Distinguishing between germinomas and pineal cell tumors on MR imaging. AJNR Am J Neuroradiol. 33(3):550-5, 2012
                                          10. Tong T et al: MRI and 1H-MRS on diagnosis of pineal region tumors. Clin Imaging. 36(6):702-9, 2012
                                          11. VillĂ  S et al: Primary pineal tumors: outcome and prognostic factors--a study from the Rare Cancer Network (RCN). Clin Transl Oncol. 14(11):827-34, 2012
                                          12. Wilson DA et al: Long-term radiosurgical control of subtotally resected adult pineocytomas. J Neurosurg. 117(2):212-7, 2012
                                          13. Kano H et al: Role of stereotactic radiosurgery in the management of pineal parenchymal tumors. Prog Neurol Surg. 23:44-58, 2009
                                          14. Boco T et al: Papillary tumor of the pineal region. Neuropathology. 28(1):87-92, 2008
                                          15. Fakhran S et al: Pineocytoma mimicking a pineal cyst on imaging: true diagnostic dilemma or a case of incomplete imaging? AJNR Am J Neuroradiol. 29(1):159-63, 2008
                                          16. Reis F et al: Neuroimaging in pineal tumors. J Neuroimaging. 16(1):52-8, 2006
                                          17. Roberts CC et al: Imaging of the pineal region and spine: self-assessment module. AJR Am J Roentgenol. 186(3 Suppl):S224-6, 2006
                                          18. Deshmukh VR et al: Diagnosis and management of pineocytomas. Neurosurgery. 55(2):349-55; discussion 355-7, 2004
                                          19. Kobayashi T et al: Stereotactic gamma radiosurgery for pineal and related tumors. J Neurooncol. 54(3):301-9, 2001
                                          20. Fauchon F et al: Parenchymal pineal tumors: a clinicopathological study of 76 cases. Int J Radiat Oncol Biol Phys. 46(4):959-68, 2000
                                          21. Jouvet A et al: Pineal parenchymal tumors: a correlation of histological features with prognosis in 66 cases. Brain Pathol. 10(1):49-60, 2000
                                          22. Smirniotopoulos JG et al: Pineal region masses: differential diagnosis. Radiographics. 12(3):577-96, 1992
                                          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

                                                      • Pineocytoma (PC)
                                                    • Definitions

                                                      • Slow-growing pineal parenchymal tumor (PPT) of young adults
                                                        • Composed of small, uniform, mature cells resembling pineocytes

                                                    IMAGING

                                                    • General Features

                                                      • CT Findings

                                                        • MR 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. Pfaff E et al: Molecular subgrouping of primary pineal parenchymal tumors reveals distinct subtypes correlated with clinical parameters and genetic alterations. Acta Neuropathol. 139(2):243-57, 2020
                                                                                  2. Lo AC et al: Intracranial germ cell tumors in adolescents and young adults: A 40-year multi-institutional review of outcomes. Int J Radiat Oncol Biol Phys. 106(2):269-78, 2019
                                                                                  3. Kumar N et al: Role of radiotherapy in residual pineal parenchymal tumors. Clin Neurol Neurosurg. 166:91-98, 2018
                                                                                  4. Louis DN et al: WHO Classification of Tumours of the Central Nervous System: Pineocytoma. IARC Press. 170-2, 2016
                                                                                  5. Balossier A et al: Role of radiosurgery in the management of pineal region tumours: indications, method, outcome. Neurochirurgie. 61(2-3):216-22, 2015
                                                                                  6. Awa R et al: Neuroimaging diagnosis of pineal region tumors-quest for pathognomonic finding of germinoma. Neuroradiology. 56(7):525-34, 2014
                                                                                  7. Farnia B et al: Clinical outcomes and patterns of failure in pineoblastoma: A 30-year, single-institution retrospective review. World Neurosurg. 82(6):1232-41, 2014
                                                                                  8. Jouvet A et al: Pineal parenchymal tumours and pineal cysts. Neurochirurgie. ePub, 2014
                                                                                  9. Dumrongpisutikul N et al: Distinguishing between germinomas and pineal cell tumors on MR imaging. AJNR Am J Neuroradiol. 33(3):550-5, 2012
                                                                                  10. Tong T et al: MRI and 1H-MRS on diagnosis of pineal region tumors. Clin Imaging. 36(6):702-9, 2012
                                                                                  11. VillĂ  S et al: Primary pineal tumors: outcome and prognostic factors--a study from the Rare Cancer Network (RCN). Clin Transl Oncol. 14(11):827-34, 2012
                                                                                  12. Wilson DA et al: Long-term radiosurgical control of subtotally resected adult pineocytomas. J Neurosurg. 117(2):212-7, 2012
                                                                                  13. Kano H et al: Role of stereotactic radiosurgery in the management of pineal parenchymal tumors. Prog Neurol Surg. 23:44-58, 2009
                                                                                  14. Boco T et al: Papillary tumor of the pineal region. Neuropathology. 28(1):87-92, 2008
                                                                                  15. Fakhran S et al: Pineocytoma mimicking a pineal cyst on imaging: true diagnostic dilemma or a case of incomplete imaging? AJNR Am J Neuroradiol. 29(1):159-63, 2008
                                                                                  16. Reis F et al: Neuroimaging in pineal tumors. J Neuroimaging. 16(1):52-8, 2006
                                                                                  17. Roberts CC et al: Imaging of the pineal region and spine: self-assessment module. AJR Am J Roentgenol. 186(3 Suppl):S224-6, 2006
                                                                                  18. Deshmukh VR et al: Diagnosis and management of pineocytomas. Neurosurgery. 55(2):349-55; discussion 355-7, 2004
                                                                                  19. Kobayashi T et al: Stereotactic gamma radiosurgery for pineal and related tumors. J Neurooncol. 54(3):301-9, 2001
                                                                                  20. Fauchon F et al: Parenchymal pineal tumors: a clinicopathological study of 76 cases. Int J Radiat Oncol Biol Phys. 46(4):959-68, 2000
                                                                                  21. Jouvet A et al: Pineal parenchymal tumors: a correlation of histological features with prognosis in 66 cases. Brain Pathol. 10(1):49-60, 2000
                                                                                  22. Smirniotopoulos JG et al: Pineal region masses: differential diagnosis. Radiographics. 12(3):577-96, 1992