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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Synonyms
- Temporal lobe meningocele, encephalocele, or meningoencephalocele; defined by content
Definitions
- Protrusion of cranial contents into middle ear (ME) or mastoid through dehiscence of tegmen ± CSF leak
IMAGING
General Features
Imaging Recommendations
CT Findings
MR Findings
Nuclear Medicine Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Reporting Tips
Selected References
- Hernandez-Montero E et al: Surgical management of middle cranial fossa bone defects: meningoencephalic herniation and cerebrospinal fluid leaks. Am J Otolaryngol. 41(4):102560, 2020
- Gupta A et al: Temporal bone meningoencephaloceles and cerebrospinal fluid leaks: experience in a tertiary care hospital. J Laryngol Otol. 133(3):192-200, 2019
- Grinblat G et al: Temporal bone meningo-encephalic-herniation: etiological categorization and surgical strategy. Otol Neurotol. 39(3):320-32, 2018
- Handzel O et al: Clinical implications of the association between temporal bone tegmen defects and superior semicircular canal dehiscence. Otol Neurotol. 39(6):797-802, 2018
- Jeevan DS et al: Cerebrospinal fluid leaks and encephaloceles of temporal bone origin: nuances to diagnosis and management. World Neurosurg. 83(4):560-6, 2015
- Alonso RC et al: Spontaneous skull base meningoencephaloceles and cerebrospinal fluid fistulas. Radiographics. 33(2):553-70, 2013
- Carlson ML et al: Temporal bone encephalocele and cerebrospinal fluid fistula repair utilizing the middle cranial fossa or combined mastoid-middle cranial fossa approach. J Neurosurg. 119(5):1314-22, 2013
- Goddard JC et al: Middle ear encephalocele: not just another chronic ear. Ear Nose Throat J. 91(2):E34, 2012
- Nadaraja GS et al: Radiographic evaluation of the tegmen in patients with superior semicircular canal dehiscence. Otol Neurotol. 33(7):1245-50, 2012
- Stucken EZ et al: The role of obesity in spontaneous temporal bone encephaloceles and CSF leak. Otol Neurotol. 33(8):1412-7, 2012
- Sanna M et al: Management of meningoencephalic herniation of the temporal bone: personal experience and literature review. Laryngoscope. 119(8):1579-85, 2009
- Johnson F et al: Temporal bone fracture: evaluation and management in the modern era. Otolaryngol Clin North Am. 41(3):597-618, x, 2008
- Nahas Z et al: Spontaneous meningoencephalocele of the temporal bone: clinical spectrum and presentation. Arch Otolaryngol Head Neck Surg. 134(5):509-18, 2008
- Jackson CG et al: Brain herniation into the middle ear and mastoid: concepts in diagnosis and surgical management. Am J Otol. 18(2):198-205; discussion 205-6, 1997
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Synonyms
- Temporal lobe meningocele, encephalocele, or meningoencephalocele; defined by content
Definitions
- Protrusion of cranial contents into middle ear (ME) or mastoid through dehiscence of tegmen ± CSF leak
IMAGING
General Features
Imaging Recommendations
CT Findings
MR Findings
Nuclear Medicine Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Reporting Tips
Selected References
- Hernandez-Montero E et al: Surgical management of middle cranial fossa bone defects: meningoencephalic herniation and cerebrospinal fluid leaks. Am J Otolaryngol. 41(4):102560, 2020
- Gupta A et al: Temporal bone meningoencephaloceles and cerebrospinal fluid leaks: experience in a tertiary care hospital. J Laryngol Otol. 133(3):192-200, 2019
- Grinblat G et al: Temporal bone meningo-encephalic-herniation: etiological categorization and surgical strategy. Otol Neurotol. 39(3):320-32, 2018
- Handzel O et al: Clinical implications of the association between temporal bone tegmen defects and superior semicircular canal dehiscence. Otol Neurotol. 39(6):797-802, 2018
- Jeevan DS et al: Cerebrospinal fluid leaks and encephaloceles of temporal bone origin: nuances to diagnosis and management. World Neurosurg. 83(4):560-6, 2015
- Alonso RC et al: Spontaneous skull base meningoencephaloceles and cerebrospinal fluid fistulas. Radiographics. 33(2):553-70, 2013
- Carlson ML et al: Temporal bone encephalocele and cerebrospinal fluid fistula repair utilizing the middle cranial fossa or combined mastoid-middle cranial fossa approach. J Neurosurg. 119(5):1314-22, 2013
- Goddard JC et al: Middle ear encephalocele: not just another chronic ear. Ear Nose Throat J. 91(2):E34, 2012
- Nadaraja GS et al: Radiographic evaluation of the tegmen in patients with superior semicircular canal dehiscence. Otol Neurotol. 33(7):1245-50, 2012
- Stucken EZ et al: The role of obesity in spontaneous temporal bone encephaloceles and CSF leak. Otol Neurotol. 33(8):1412-7, 2012
- Sanna M et al: Management of meningoencephalic herniation of the temporal bone: personal experience and literature review. Laryngoscope. 119(8):1579-85, 2009
- Johnson F et al: Temporal bone fracture: evaluation and management in the modern era. Otolaryngol Clin North Am. 41(3):597-618, x, 2008
- Nahas Z et al: Spontaneous meningoencephalocele of the temporal bone: clinical spectrum and presentation. Arch Otolaryngol Head Neck Surg. 134(5):509-18, 2008
- Jackson CG et al: Brain herniation into the middle ear and mastoid: concepts in diagnosis and surgical management. Am J Otol. 18(2):198-205; discussion 205-6, 1997
