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Head and Neck
Differential Diagnosis
CPA-IAC and Posterior Fossa
Anatomically Based Differentials
CPA Mass, Adult
CPA Mass, Adult
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. Dunn IF et al: Congress of neurological surgeons systematic review and evidence-based guidelines on the role of imaging in the diagnosis and management of patients with vestibular schwannomas. Neurosurgery. 82(2):E32-E34, 2018
            2. Prabhu V et al: Preserved cochlear CISS signal is a predictor for hearing preservation in patients treated for vestibular schwannoma with stereotactic radiosurgery. Otol Neurotol. ePub, 2018
            3. Mishra A et al: Susceptibility weighted imaging - a problem-solving tool in differentiation of cerebellopontine angle schwannomas and meningiomas. Neuroradiol J. 30(3):253-258, 2017
            4. Schulze M et al: Improvement in imaging common temporal bone pathologies at 3 T MRI: small structures benefit from a small field of view. Clin Radiol. 72(3):267.e1-267.e12, 2017
            5. Rueckriegel SM et al: Probabilistic fiber-tracking reveals degeneration of the contralateral auditory pathway in patients with vestibular schwannoma. AJNR Am J Neuroradiol. 37(9):1610-6, 2016
            6. Watanabe N et al: Imaging alterations due to squamous metaplasia in intracranial neurenteric cysts: A report of two cases. Neuroradiol J. 29(3):187-92, 2016
            7. Mukherjee P et al: Intracranial lipomas affecting the cerebellopontine angle and internal auditory canal: a case series. Otol Neurotol. 32(4):670-5, 2011
            8. Warren FM et al: Imaging characteristics of metastatic lesions to the cerebellopontine angle. Otol Neurotol. 29(6):835-8, 2008
            9. Barrera JE et al: Cavernous hemangioma of the internal auditory canal: a case report and review of the literature. Am J Otolaryngol. 25(3):199-203, 2004
            10. Nakamura M et al: Meningiomas of the internal auditory canal. Neurosurgery. 55(1):119-27; discussion 127-8, 2004
            11. Swartz JD: Lesions of the cerebellopontine angle and internal auditory canal: diagnosis and differential diagnosis. Semin Ultrasound CT MR. 25(4):332-52, 2004
            12. Daniels RL et al: Causes of unilateral sensorineural hearing loss screened by high-resolution fast spin echo magnetic resonance imaging: review of 1,070 consecutive cases. Am J Otol. 21(2):173-80, 2000
            13. Kohan D et al: Uncommon lesions presenting as tumors of the internal auditory canal and cerebellopontine angle. Am J Otol. 18(3):386-92, 1997
            14. 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. Dunn IF et al: Congress of neurological surgeons systematic review and evidence-based guidelines on the role of imaging in the diagnosis and management of patients with vestibular schwannomas. Neurosurgery. 82(2):E32-E34, 2018
                      2. Prabhu V et al: Preserved cochlear CISS signal is a predictor for hearing preservation in patients treated for vestibular schwannoma with stereotactic radiosurgery. Otol Neurotol. ePub, 2018
                      3. Mishra A et al: Susceptibility weighted imaging - a problem-solving tool in differentiation of cerebellopontine angle schwannomas and meningiomas. Neuroradiol J. 30(3):253-258, 2017
                      4. Schulze M et al: Improvement in imaging common temporal bone pathologies at 3 T MRI: small structures benefit from a small field of view. Clin Radiol. 72(3):267.e1-267.e12, 2017
                      5. Rueckriegel SM et al: Probabilistic fiber-tracking reveals degeneration of the contralateral auditory pathway in patients with vestibular schwannoma. AJNR Am J Neuroradiol. 37(9):1610-6, 2016
                      6. Watanabe N et al: Imaging alterations due to squamous metaplasia in intracranial neurenteric cysts: A report of two cases. Neuroradiol J. 29(3):187-92, 2016
                      7. Mukherjee P et al: Intracranial lipomas affecting the cerebellopontine angle and internal auditory canal: a case series. Otol Neurotol. 32(4):670-5, 2011
                      8. Warren FM et al: Imaging characteristics of metastatic lesions to the cerebellopontine angle. Otol Neurotol. 29(6):835-8, 2008
                      9. Barrera JE et al: Cavernous hemangioma of the internal auditory canal: a case report and review of the literature. Am J Otolaryngol. 25(3):199-203, 2004
                      10. Nakamura M et al: Meningiomas of the internal auditory canal. Neurosurgery. 55(1):119-27; discussion 127-8, 2004
                      11. Swartz JD: Lesions of the cerebellopontine angle and internal auditory canal: diagnosis and differential diagnosis. Semin Ultrasound CT MR. 25(4):332-52, 2004
                      12. Daniels RL et al: Causes of unilateral sensorineural hearing loss screened by high-resolution fast spin echo magnetic resonance imaging: review of 1,070 consecutive cases. Am J Otol. 21(2):173-80, 2000
                      13. Kohan D et al: Uncommon lesions presenting as tumors of the internal auditory canal and cerebellopontine angle. Am J Otol. 18(3):386-92, 1997
                      14. Smirniotopoulos JG et al: Cerebellopontine angle masses: radiologic-pathologic correlation. Radiographics. 13(5):1131-47, 1993