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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Abbreviations
- Vestibular schwannoma (VS)
Synonyms
- Misnomers: Acoustic schwannoma, acoustic neuroma, acoustic tumor
- Uncommon names: Neurinoma, neurilemmoma
- Misnomers: Acoustic schwannoma, acoustic neuroma, acoustic tumor
Definitions
- Benign tumor arising from Schwann cells that wrap vestibular branches of CNVIII in cerebellopontine angle-internal auditory canal (CPA-IAC)
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
Reporting Tips
Selected References
- Basu S et al: Screening for vestibular schwannoma in the context of an ageing population. J Laryngol Otol. 133(8):640-9, 2019
- Constanzo F et al: Cerebellopontine angle schwannomas arising from the intermediate nerve: a scoping review. Neurosurg Rev. ePub, 2019
- Shapey J et al: Clinical applications for diffusion MRI and tractography of cranial nerves within the posterior fossa: a systematic review. Front Neurosci. 13:23, 2019
- Thompson NJ et al: Translabyrinthine excision of vestibular schwannoma with concurrent cochlear implantation: systematic review. J Neurol Surg B Skull Base. 80(2):187-95, 2019
- Germano IM et al: Congress of Neurological Surgeons systematic review and evidence-based guidelines on the role of radiosurgery and radiation therapy in the management of patients with vestibular schwannomas. Neurosurgery. 82(2):E49-51, 2018
- Oh JH et al: Clinical application of 3D-FIESTA image in patients with unilateral inner ear symptom. Korean J Audiol. 17(3):111-7, 2013
- Tomogane Y et al: Usefulness of PRESTO magnetic resonance imaging for the differentiation of schwannoma and meningioma in the cerebellopontine angle. Neurol Med Chir (Tokyo). 53(7):482-9, 2013
- Roosli C et al: What is the site of origin of cochleovestibular schwannomas? Audiol Neurootol. 17(2):121-5, 2012
- Tryggvason G et al: Radiographic association of schwannomas with sensory ganglia. Otol Neurotol. 33(7):1276-82, 2012
- Bakkouri WE et al: Conservative management of 386 cases of unilateral vestibular schwannoma: tumor growth and consequences for treatment. J Neurosurg. 110(4):662-9, 2009
- Fortnum H et al: The role of magnetic resonance imaging in the identification of suspected acoustic neuroma: a systematic review of clinical and cost effectiveness and natural history. Health Technol Assess. 13(18):iii-iv, ix-xi, 1-154, 2009
- Fukuoka S et al: Gamma knife radiosurgery for vestibular schwannomas. Prog Neurol Surg. 22:45-62, 2009
- Bhadelia RA et al: Increased cochlear fluid-attenuated inversion recovery signal in patients with vestibular schwannoma. AJNR Am J Neuroradiol. 29(4):720-3, 2008
- Ferri GG et al: Conservative management of vestibular schwannomas: an effective strategy. Laryngoscope. 118(6):951-7, 2008
- House JW et al: False-positive magnetic resonance imaging in the diagnosis of vestibular schwannoma. Otol Neurotol. 29(8):1176-8, 2008
- Meijer OW et al: Tumor-volume changes after radiosurgery for vestibular schwannoma: implications for follow-up MR imaging protocol. AJNR Am J Neuroradiol. 29(5):906-10, 2008
- Thamburaj K et al: Intratumoral microhemorrhages on T2*-weighted gradient-echo imaging helps differentiate vestibular schwannoma from meningioma. AJNR Am J Neuroradiol. 29(3):552-7, 2008
- Jacob A et al: Nerve of origin, tumor size, hearing preservation, and facial nerve outcomes in 359 vestibular schwannoma resections at a tertiary care academic center. Laryngoscope. 117(12):2087-92, 2007
- Maire JP et al: Twenty years' experience in the treatment of acoustic neuromas with fractionated radiotherapy: a review of 45 cases. Int J Radiat Oncol Biol Phys. 66(1):170-8, 2006
- Okamoto K et al: Focal T2 hyperintensity in the dorsal brain stem in patients with vestibular schwannoma. AJNR Am J Neuroradiol. 27(6):1307-11, 2006
- Furuta S et al: Prediction of the origin of intracanalicular neoplasms with high-resolution MR imaging. Neuroradiology. 47(9):657-63, 2005
- Lin D et al: The prevalence of "incidental" acoustic neuroma. Arch Otolaryngol Head Neck Surg. 131(3):241-4, 2005
- Myrseth E et al: Vestibular schwannomas: clinical results and quality of life after microsurgery or gamma knife radiosurgery. Neurosurgery. 56(5):927-35; discussion 927-35, 2005
- Darrouzet V et al: Vestibular schwannoma surgery outcomes: our multidisciplinary experience in 400 cases over 17 years. Laryngoscope. 114(4):681-8, 2004
- Kobayashi M et al: Distance from acoustic neuroma to fundus and a postoperative facial palsy. Laryngoscope. 112(1):168-71, 2002
- Dubrulle F et al: Cochlear fossa enhancement at MR evaluation of vestibular schwannoma: correlation with success at hearing-preservation surgery. Radiology. 215(2):458-62, 2000
- Gillespie JE: MRI screening for acoustic neuroma. Br J Radiol. 73(874):1129-30, 2000
- Nakamura H et al: Serial follow-up MR imaging after gamma knife radiosurgery for vestibular schwannoma. AJNR Am J Neuroradiol. 21(8):1540-6, 2000
- Zealley IA et al: MRI screening for acoustic neuroma: a comparison of fast spin echo and contrast enhanced imaging in 1233 patients. Br J Radiol. 73(867):242-7, 2000
- Allen RW et al: Low-cost high-resolution fast spin-echo MR of acoustic schwannoma: an alternative to enhanced conventional spin-echo MR? AJNR Am J Neuroradiol. 17(7):1205-10, 1996
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References
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Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Abbreviations
- Vestibular schwannoma (VS)
Synonyms
- Misnomers: Acoustic schwannoma, acoustic neuroma, acoustic tumor
- Uncommon names: Neurinoma, neurilemmoma
- Misnomers: Acoustic schwannoma, acoustic neuroma, acoustic tumor
Definitions
- Benign tumor arising from Schwann cells that wrap vestibular branches of CNVIII in cerebellopontine angle-internal auditory canal (CPA-IAC)
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
Reporting Tips
Selected References
- Basu S et al: Screening for vestibular schwannoma in the context of an ageing population. J Laryngol Otol. 133(8):640-9, 2019
- Constanzo F et al: Cerebellopontine angle schwannomas arising from the intermediate nerve: a scoping review. Neurosurg Rev. ePub, 2019
- Shapey J et al: Clinical applications for diffusion MRI and tractography of cranial nerves within the posterior fossa: a systematic review. Front Neurosci. 13:23, 2019
- Thompson NJ et al: Translabyrinthine excision of vestibular schwannoma with concurrent cochlear implantation: systematic review. J Neurol Surg B Skull Base. 80(2):187-95, 2019
- Germano IM et al: Congress of Neurological Surgeons systematic review and evidence-based guidelines on the role of radiosurgery and radiation therapy in the management of patients with vestibular schwannomas. Neurosurgery. 82(2):E49-51, 2018
- Oh JH et al: Clinical application of 3D-FIESTA image in patients with unilateral inner ear symptom. Korean J Audiol. 17(3):111-7, 2013
- Tomogane Y et al: Usefulness of PRESTO magnetic resonance imaging for the differentiation of schwannoma and meningioma in the cerebellopontine angle. Neurol Med Chir (Tokyo). 53(7):482-9, 2013
- Roosli C et al: What is the site of origin of cochleovestibular schwannomas? Audiol Neurootol. 17(2):121-5, 2012
- Tryggvason G et al: Radiographic association of schwannomas with sensory ganglia. Otol Neurotol. 33(7):1276-82, 2012
- Bakkouri WE et al: Conservative management of 386 cases of unilateral vestibular schwannoma: tumor growth and consequences for treatment. J Neurosurg. 110(4):662-9, 2009
- Fortnum H et al: The role of magnetic resonance imaging in the identification of suspected acoustic neuroma: a systematic review of clinical and cost effectiveness and natural history. Health Technol Assess. 13(18):iii-iv, ix-xi, 1-154, 2009
- Fukuoka S et al: Gamma knife radiosurgery for vestibular schwannomas. Prog Neurol Surg. 22:45-62, 2009
- Bhadelia RA et al: Increased cochlear fluid-attenuated inversion recovery signal in patients with vestibular schwannoma. AJNR Am J Neuroradiol. 29(4):720-3, 2008
- Ferri GG et al: Conservative management of vestibular schwannomas: an effective strategy. Laryngoscope. 118(6):951-7, 2008
- House JW et al: False-positive magnetic resonance imaging in the diagnosis of vestibular schwannoma. Otol Neurotol. 29(8):1176-8, 2008
- Meijer OW et al: Tumor-volume changes after radiosurgery for vestibular schwannoma: implications for follow-up MR imaging protocol. AJNR Am J Neuroradiol. 29(5):906-10, 2008
- Thamburaj K et al: Intratumoral microhemorrhages on T2*-weighted gradient-echo imaging helps differentiate vestibular schwannoma from meningioma. AJNR Am J Neuroradiol. 29(3):552-7, 2008
- Jacob A et al: Nerve of origin, tumor size, hearing preservation, and facial nerve outcomes in 359 vestibular schwannoma resections at a tertiary care academic center. Laryngoscope. 117(12):2087-92, 2007
- Maire JP et al: Twenty years' experience in the treatment of acoustic neuromas with fractionated radiotherapy: a review of 45 cases. Int J Radiat Oncol Biol Phys. 66(1):170-8, 2006
- Okamoto K et al: Focal T2 hyperintensity in the dorsal brain stem in patients with vestibular schwannoma. AJNR Am J Neuroradiol. 27(6):1307-11, 2006
- Furuta S et al: Prediction of the origin of intracanalicular neoplasms with high-resolution MR imaging. Neuroradiology. 47(9):657-63, 2005
- Lin D et al: The prevalence of "incidental" acoustic neuroma. Arch Otolaryngol Head Neck Surg. 131(3):241-4, 2005
- Myrseth E et al: Vestibular schwannomas: clinical results and quality of life after microsurgery or gamma knife radiosurgery. Neurosurgery. 56(5):927-35; discussion 927-35, 2005
- Darrouzet V et al: Vestibular schwannoma surgery outcomes: our multidisciplinary experience in 400 cases over 17 years. Laryngoscope. 114(4):681-8, 2004
- Kobayashi M et al: Distance from acoustic neuroma to fundus and a postoperative facial palsy. Laryngoscope. 112(1):168-71, 2002
- Dubrulle F et al: Cochlear fossa enhancement at MR evaluation of vestibular schwannoma: correlation with success at hearing-preservation surgery. Radiology. 215(2):458-62, 2000
- Gillespie JE: MRI screening for acoustic neuroma. Br J Radiol. 73(874):1129-30, 2000
- Nakamura H et al: Serial follow-up MR imaging after gamma knife radiosurgery for vestibular schwannoma. AJNR Am J Neuroradiol. 21(8):1540-6, 2000
- Zealley IA et al: MRI screening for acoustic neuroma: a comparison of fast spin echo and contrast enhanced imaging in 1233 patients. Br J Radiol. 73(867):242-7, 2000
- Allen RW et al: Low-cost high-resolution fast spin-echo MR of acoustic schwannoma: an alternative to enhanced conventional spin-echo MR? AJNR Am J Neuroradiol. 17(7):1205-10, 1996
