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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Abbreviations
- Necrotizing external otitis (NEO)
Synonyms
- Malignant external otitis, malignant otitis externa
Definitions
- NEO: Severe invasive infection of EAC, adjacent soft tissues, and skull base
IMAGING
General Features
CT Findings
MR Findings
Nuclear Medicine Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
- Mingkwansook V et al: CT Findings in the External Auditory Canal after Transcanal Surgery. AJNR Am J Neuroradiol. 36(5):982-6, 2015
- Le Clerc N et al: Skull base osteomyelitis: incidence of resistance, morbidity, and treatment strategy. Laryngoscope. 124(9):2013-6, 2014
- Nawas MT et al: Complicated necrotizing otitis externa. Am J Otolaryngol. 34(6):706-9, 2013
- Adams A et al: Central skull base osteomyelitis as a complication of necrotizing otitis externa: Imaging findings, complications, and challenges of diagnosis. Clin Radiol. 67(10):e7-e16, 2012
- Franco-Vidal V et al: Necrotizing external otitis: a report of 46 cases. Otol Neurotol. 28(6):771-3, 2007
- Mani N et al: Cranial nerve involvement in malignant external otitis: implications for clinical outcome. Laryngoscope. 117(5):907-10, 2007
- Kwon BJ et al: MRI findings and spreading patterns of necrotizing external otitis: is a poor outcome predictable? Clin Radiol. 61(6):495-504, 2006
- Rubin Grandis J et al: The changing face of malignant (necrotising) external otitis: clinical, radiological, and anatomic correlations. Lancet Infect Dis. 4(1):34-9, 2004
- Grandis JR et al: Necrotizing (malignant) external otitis: prospective comparison of CT and MR imaging in diagnosis and follow-up. Radiology. 196(2):499-504, 1995
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Abbreviations
- Necrotizing external otitis (NEO)
Synonyms
- Malignant external otitis, malignant otitis externa
Definitions
- NEO: Severe invasive infection of EAC, adjacent soft tissues, and skull base
IMAGING
General Features
CT Findings
MR Findings
Nuclear Medicine Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
- Mingkwansook V et al: CT Findings in the External Auditory Canal after Transcanal Surgery. AJNR Am J Neuroradiol. 36(5):982-6, 2015
- Le Clerc N et al: Skull base osteomyelitis: incidence of resistance, morbidity, and treatment strategy. Laryngoscope. 124(9):2013-6, 2014
- Nawas MT et al: Complicated necrotizing otitis externa. Am J Otolaryngol. 34(6):706-9, 2013
- Adams A et al: Central skull base osteomyelitis as a complication of necrotizing otitis externa: Imaging findings, complications, and challenges of diagnosis. Clin Radiol. 67(10):e7-e16, 2012
- Franco-Vidal V et al: Necrotizing external otitis: a report of 46 cases. Otol Neurotol. 28(6):771-3, 2007
- Mani N et al: Cranial nerve involvement in malignant external otitis: implications for clinical outcome. Laryngoscope. 117(5):907-10, 2007
- Kwon BJ et al: MRI findings and spreading patterns of necrotizing external otitis: is a poor outcome predictable? Clin Radiol. 61(6):495-504, 2006
- Rubin Grandis J et al: The changing face of malignant (necrotising) external otitis: clinical, radiological, and anatomic correlations. Lancet Infect Dis. 4(1):34-9, 2004
- Grandis JR et al: Necrotizing (malignant) external otitis: prospective comparison of CT and MR imaging in diagnosis and follow-up. Radiology. 196(2):499-504, 1995
