Vestibular schwannoma with fluid-fluid levels mimicking aneurysm bone cyst

Zhang, 2021, Evaluation of vestibular function in diagnosis of vestibular schwannomas, Curr Med Sci, 41, 661, 10.1007/s11596-021-2407-1 Xia, 2020, Immunohistochemical profiles of matrix metalloproteinases and vascular endothelial growth factor overexpression in the Antoni B area of vestibular schwannomas, World Neurosurg, 144, e72, 10.1016/j.wneu.2020.07.208 Thakur, 2012, Do cystic vestibular schwannomas have worse surgical outcomes? Systematic analysis of the literature, Neurosurg Focus, 33, E12, 10.3171/2012.6.FOCUS12200 Kameyama, 1996, Cystic acoustic neurinomas: studies of 14 cases, Acta Neurochir, 138, 695, 10.1007/BF01411474 Sinha, 2008, Cystic acoustic neuromas: surgical outcome in a series of 58 patients, J Clin Neurosci, 15, 511, 10.1016/j.jocn.2007.01.007 Chin, 2007, Vestibular schwannomas with fluid-fluid level, J Laryngol Otol, 121, 902, 10.1017/S002221510700638X Prasad, 1999, Fluid-fluid levels in intracranial schwannomas, Australas Radiol, 43, 529, 10.1046/j.1440-1673.1999.00724.x Benech, 2005, Cystic versus solid vestibular schwannomas: a series of 80 grade III–IV patients, Neurosurg Rev, 28, 209, 10.1007/s10143-005-0380-y Moon, 2007, Cystic vestibular schwannomas: a possible role of matrix metalloproteinase-2 in cyst development and unfavorable surgical outcome, J Neurosurg, 106, 866, 10.3171/jns.2007.106.5.866 Xia, 2014, Fluid-fluid level in cystic vestibular schwannoma: a predictor of peritumoral adhesion, J Neurosurg, 120, 197, 10.3171/2013.6.JNS121630 Asari, 1993, CT and MRI of haemorrhage into intracranial neuromas, Neuroradiology, 35, 247, 10.1007/BF00602603 Gomez-Brouchet, 2001, Vestibular schwannomas: correlations between magnetic resonance imaging and histopathologic appearance, Otol Neurotol, 22, 79, 10.1097/00129492-200101000-00016 Park, 2006, Microhemorrhage, a possible mechanism for cyst formation in vestibular schwannomas, J Neurosurg, 105, 576, 10.3171/jns.2006.105.4.576 Thamburaj, 2008, Intratumoral microhemorrhages on T2*-weighted gradient-echo imaging helps differentiate vestibular schwannoma from meningioma, AJNR Am J Neuroradiol, 29, 552, 10.3174/ajnr.A0887 Rapp, 2012, Aneurysmal bone cyst, J Am Acad Orthop Surg, 20, 233, 10.5435/JAAOS-20-04-233 Kim, 2017, An aneurysmal bone cyst in the skull base, J Craniofac Surg, 28, e704, 10.1097/SCS.0000000000003896 Rau, 2019, Fibrous dysplasia with secondary aneurysmal bone cyst-a rare case report and literature review, Oral Maxillofac Surg, 23, 101, 10.1007/s10006-019-00741-w Keenan, 2006, Musculoskeletal lesions with fluid-fluid level: a pictorial essay, J Comput Assist Tomogr, 30, 517, 10.1097/00004728-200605000-00029 Nabavizadeh, 2014, CT and MRI of pediatric skull lesions with fluid-fluid levels, AJNR Am J Neuroradiol, 35, 604, 10.3174/ajnr.A3712 Yu, 2014, Differentiating benign from malignant bone tumors using fluid-fluid level features on magnetic resonance imaging, Korean J Radiol, 15, 757, 10.3348/kjr.2014.15.6.757 Eser Ocak, 2018, Facial nerve outcome and extent of resection in cystic versus solid vestibular schwannomas in radiosurgery era, Neurosurg Focus, 44, E3, 10.3171/2017.12.FOCUS17667 Metwali, 2014, The peculiar cystic vestibular schwannoma: a single-center experience, World Neurosurg, 82, 1271, 10.1016/j.wneu.2014.07.011 Wu, 2021, Comparison of surgical outcomes in cystic and solid vestibular schwannomas: a systematic review and meta-analysis, Neurosurg Rev, 44, 1889, 10.1007/s10143-020-01400-5