Spectrum of radiological appearances of necrotising external otitis: a pictorial review

Necrotising external otitis, also known as malignant otitis externa, is an aggressive, resorptive osteomyelitis of the temporal bone. Although rare, necrotising external otitis is a potentially fatal disease, with complications which include temporomandibular joint osteomyelitis, sigmoid sinus throm...

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Bibliographic Details
Published in:Journal of laryngology and otology 2011-11, Vol.125 (11), p.1109-1115
Main Authors: Mehrotra, P, Elbadawey, M R, Zammit-Maempel, I
Format: Article
Language:English
Subjects:
Antibiotics
Bacterial arthritis and osteitis
Bacterial diseases
Bell's palsy
Biological and medical sciences
Cranial Nerve Diseases - etiology
Diabetes
Disease Progression
Ear, auditive nerve, cochleovestibular tract, facial nerve: diseases, semeiology
Ent and stomatologic bacterial diseases
Human bacterial diseases
Humans
Infections
Infectious diseases
Magnetic Resonance Imaging
Medical sciences
Necrosis - diagnosis
Non tumoral diseases
Osteomyelitis - diagnosis
Osteomyelitis - pathology
Otitis Externa - diagnosis
Otitis Externa - pathology
Otorhinolaryngology. Stomatology
Pseudomonas Infections - complications
Pseudomonas Infections - diagnosis
Pseudomonas Infections - pathology
Scintigraphy
Temporal Bone - pathology
Temporomandibular Joint Disorders - diagnosis
Temporomandibular Joint Disorders - etiology
Temporomandibular Joint Disorders - pathology
Tomography
Tomography, X-Ray Computed
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Summary:Necrotising external otitis, also known as malignant otitis externa, is an aggressive, resorptive osteomyelitis of the temporal bone. Although rare, necrotising external otitis is a potentially fatal disease, with complications which include temporomandibular joint osteomyelitis, sigmoid sinus thrombosis and meningitis. Imaging findings may be subtle, particularly in the early stages. We present a broad range of imaging findings which may occur in necrotising external otitis cases.
ISSN:0022-2151
1748-5460
DOI:10.1017/S0022215111001691