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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Synonyms
- Leptomeningitis, infectious meningitis
Definitions
- Acute or chronic infectious infiltrate of pia, arachnoid, & CSF in vicinity of T-bone, internal auditory canal (IAC), & cerebellopontine angle (CPA)
- Classified as acute pyogenic (bacterial), lymphocytic (viral), or chronic (tuberculous or granulomatous)
IMAGING
General Features
Imaging Recommendations
CT Findings
MR Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Selected References
- Oliveira CR et al: Brain magnetic resonance imaging of infants with bacterial meningitis. J Pediatr. 165(1):134-9, 2014
- Mohan S et al: Imaging of meningitis and ventriculitis. Neuroimaging Clin N Am. 22(4):557-83, 2012
- Lee MH et al: Prevalence and appearance of the posterior wall defects of the temporal bone caused by presumed arachnoid granulations and their clinical significance: CT findings. AJNR Am J Neuroradiol. 29(9):1704-7, 2008
- Tebruegge M et al: Epidemiology, etiology, pathogenesis, and diagnosis of recurrent bacterial meningitis. Clin Microbiol Rev. 21(3):519-37, 2008
- Smirniotopoulos JG et al: Patterns of contrast enhancement in the brain and meninges. Radiographics. 27(2):525-51, 2007
- Brown NE et al: Diagnosis and management of spontaneous cerebrospinal fluid-middle ear effusion and otorrhea. Laryngoscope. 114(5):800-5, 2004
- Migirov L: Computed tomographic versus surgical findings in complicated acute otomastoiditis. Ann Otol Rhinol Laryngol. 112(8):675-7, 2003
- Stone JA et al: Evaluation of CSF leaks: high-resolution CT compared with contrast-enhanced CT and radionuclide cisternography. AJNR Am J Neuroradiol. 20(4):706-12, 1999
- Quiney RE et al: Recurrent meningitis in children due to inner ear abnormalities. J Laryngol Otol. 103(5):473-80, 1989
- Vermeersch H et al: The temporal bone as route of infection in recurrent meningitis. J Otolaryngol. 9(3):199-201, 1980
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Synonyms
- Leptomeningitis, infectious meningitis
Definitions
- Acute or chronic infectious infiltrate of pia, arachnoid, & CSF in vicinity of T-bone, internal auditory canal (IAC), & cerebellopontine angle (CPA)
- Classified as acute pyogenic (bacterial), lymphocytic (viral), or chronic (tuberculous or granulomatous)
IMAGING
General Features
Imaging Recommendations
CT Findings
MR Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Selected References
- Oliveira CR et al: Brain magnetic resonance imaging of infants with bacterial meningitis. J Pediatr. 165(1):134-9, 2014
- Mohan S et al: Imaging of meningitis and ventriculitis. Neuroimaging Clin N Am. 22(4):557-83, 2012
- Lee MH et al: Prevalence and appearance of the posterior wall defects of the temporal bone caused by presumed arachnoid granulations and their clinical significance: CT findings. AJNR Am J Neuroradiol. 29(9):1704-7, 2008
- Tebruegge M et al: Epidemiology, etiology, pathogenesis, and diagnosis of recurrent bacterial meningitis. Clin Microbiol Rev. 21(3):519-37, 2008
- Smirniotopoulos JG et al: Patterns of contrast enhancement in the brain and meninges. Radiographics. 27(2):525-51, 2007
- Brown NE et al: Diagnosis and management of spontaneous cerebrospinal fluid-middle ear effusion and otorrhea. Laryngoscope. 114(5):800-5, 2004
- Migirov L: Computed tomographic versus surgical findings in complicated acute otomastoiditis. Ann Otol Rhinol Laryngol. 112(8):675-7, 2003
- Stone JA et al: Evaluation of CSF leaks: high-resolution CT compared with contrast-enhanced CT and radionuclide cisternography. AJNR Am J Neuroradiol. 20(4):706-12, 1999
- Quiney RE et al: Recurrent meningitis in children due to inner ear abnormalities. J Laryngol Otol. 103(5):473-80, 1989
- Vermeersch H et al: The temporal bone as route of infection in recurrent meningitis. J Otolaryngol. 9(3):199-201, 1980
