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Head and Neck
Differential Diagnosis
CPA-IAC and Posterior Fossa
Generic Imaging Patterns
Cystic CPA Mass
Cystic CPA Mass
Bronwyn E. Hamilton, 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

            Selected References

            1. Schnack DT et al: Sporadic endolymphatic sac tumor-a very rare cause of hearing loss, tinnitus, and dizziness. J Int Adv Otol. 13(2):289-291, 2017
            2. Agarwal A: Intracranial trigeminal schwannoma. Neuroradiol J. 28(1):36-41, 2015
            3. Dispenza F et al: Imaging of vestibular schwannoma with prevalent cystic component: cystic vestibular schwannoma. Otol Neurotol. 30(5):681-2, 2009
            4. Piccirillo E et al: Cystic vestibular schwannoma: classification, management, and facial nerve outcomes. Otol Neurotol. 30(6):826-34, 2009
            5. Zhang L et al: Trigeminal schwannomas: a report of 42 cases and review of the relevant surgical approaches. Clin Neurol Neurosurg. 111(3):261-9, 2009
            6. Bonneville F et al: Imaging of cerebellopontine angle lesions: an update. Part 1: enhancing extra-axial lesions. Eur Radiol. 17(10):2472-82, 2007
            7. Bonneville F et al: Imaging of cerebellopontine angle lesions: an update. Part 2: intra-axial lesions, skull base lesions that may invade the CPA region, and non-enhancing extra-axial lesions. Eur Radiol. 17(11):2908-20, 2007
            8. Kiliçkesmez O: Endolymphatic sac tumor in a patient with von Hippel-Lindau disease: MR imaging findings. Diagn Interv Radiol. 12(1):14-6, 2006
            9. Patel NP et al: The radiologic diagnosis of endolymphatic sac tumors. Laryngoscope. 116(1):40-6, 2006
            10. Preece MT et al: Intracranial neurenteric cysts: imaging and pathology spectrum. AJNR Am J Neuroradiol. 27(6):1211-6, 2006
            11. Nelson MD Jr et al: A different approach to cysts of the posterior fossa. Pediatr Radiol. 34(9):720-32, 2004
            12. Bonneville F et al: Unusual lesions of the cerebellopontine angle: a segmental approach. Radiographics. 21(2):419-38, 2001
            13. Davidson HC et al: MR evaluation of vestibulocochlear anomalies associated with large endolymphatic duct and sac. AJNR Am J Neuroradiol. 20(8):1435-41, 1999
            14. Koeller KK et al: Congenital cystic masses of the neck: radiologic-pathologic correlation. Radiographics. 19(1):121-46; quiz 152-3, 1999
            15. Lau KY et al: MRI demonstration of subarachnoid neurocysticercosis simulating metastatic disease. Neuroradiology. 40(11):724-6, 1998
            16. Mukherji SK et al: Papillary endolymphatic sac tumors: CT, MR imaging, and angiographic findings in 20 patients. Radiology. 202(3):801-8, 1997
            17. Tong KA et al: Large vestibular aqueduct syndrome: a genetic disease? AJR Am J Roentgenol. 168(4):1097-101, 1997
            18. Friedman DP et al: Vascular neoplasms and malformations, ischemia, and hemorrhage affecting the spinal cord: MR imaging findings. AJR Am J Roentgenol. 162(3):685-92, 1994
            19. Kollias SS et al: Cystic malformations of the posterior fossa: differential diagnosis clarified through embryologic analysis. Radiographics. 13(6):1211-31, 1993
            20. Smirniotopoulos JG et al: Cerebellopontine angle masses: radiologic-pathologic correlation. Radiographics. 13(5):1131-47, 1993
            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

                      Selected References

                      1. Schnack DT et al: Sporadic endolymphatic sac tumor-a very rare cause of hearing loss, tinnitus, and dizziness. J Int Adv Otol. 13(2):289-291, 2017
                      2. Agarwal A: Intracranial trigeminal schwannoma. Neuroradiol J. 28(1):36-41, 2015
                      3. Dispenza F et al: Imaging of vestibular schwannoma with prevalent cystic component: cystic vestibular schwannoma. Otol Neurotol. 30(5):681-2, 2009
                      4. Piccirillo E et al: Cystic vestibular schwannoma: classification, management, and facial nerve outcomes. Otol Neurotol. 30(6):826-34, 2009
                      5. Zhang L et al: Trigeminal schwannomas: a report of 42 cases and review of the relevant surgical approaches. Clin Neurol Neurosurg. 111(3):261-9, 2009
                      6. Bonneville F et al: Imaging of cerebellopontine angle lesions: an update. Part 1: enhancing extra-axial lesions. Eur Radiol. 17(10):2472-82, 2007
                      7. Bonneville F et al: Imaging of cerebellopontine angle lesions: an update. Part 2: intra-axial lesions, skull base lesions that may invade the CPA region, and non-enhancing extra-axial lesions. Eur Radiol. 17(11):2908-20, 2007
                      8. Kiliçkesmez O: Endolymphatic sac tumor in a patient with von Hippel-Lindau disease: MR imaging findings. Diagn Interv Radiol. 12(1):14-6, 2006
                      9. Patel NP et al: The radiologic diagnosis of endolymphatic sac tumors. Laryngoscope. 116(1):40-6, 2006
                      10. Preece MT et al: Intracranial neurenteric cysts: imaging and pathology spectrum. AJNR Am J Neuroradiol. 27(6):1211-6, 2006
                      11. Nelson MD Jr et al: A different approach to cysts of the posterior fossa. Pediatr Radiol. 34(9):720-32, 2004
                      12. Bonneville F et al: Unusual lesions of the cerebellopontine angle: a segmental approach. Radiographics. 21(2):419-38, 2001
                      13. Davidson HC et al: MR evaluation of vestibulocochlear anomalies associated with large endolymphatic duct and sac. AJNR Am J Neuroradiol. 20(8):1435-41, 1999
                      14. Koeller KK et al: Congenital cystic masses of the neck: radiologic-pathologic correlation. Radiographics. 19(1):121-46; quiz 152-3, 1999
                      15. Lau KY et al: MRI demonstration of subarachnoid neurocysticercosis simulating metastatic disease. Neuroradiology. 40(11):724-6, 1998
                      16. Mukherji SK et al: Papillary endolymphatic sac tumors: CT, MR imaging, and angiographic findings in 20 patients. Radiology. 202(3):801-8, 1997
                      17. Tong KA et al: Large vestibular aqueduct syndrome: a genetic disease? AJR Am J Roentgenol. 168(4):1097-101, 1997
                      18. Friedman DP et al: Vascular neoplasms and malformations, ischemia, and hemorrhage affecting the spinal cord: MR imaging findings. AJR Am J Roentgenol. 162(3):685-92, 1994
                      19. Kollias SS et al: Cystic malformations of the posterior fossa: differential diagnosis clarified through embryologic analysis. Radiographics. 13(6):1211-31, 1993
                      20. Smirniotopoulos JG et al: Cerebellopontine angle masses: radiologic-pathologic correlation. Radiographics. 13(5):1131-47, 1993