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Spectrum of radiological appearances of necrotising external otitis: a pictorial review
P Mehrotra, M R Elbadawey, I Zammit-Maempel
Journal:

The Journal of Laryngology & Otology / Volume 125 / Issue 11 / November 2011

Published online by Cambridge University Press:

16 August 2011, pp. 1109-1115

Print publication:

November 2011
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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.

Bone changes after maxillary sinus surgery: an experimental scanning electron microscopy study
P M Moreno, D H Meseguer
Journal:

The Journal of Laryngology & Otology / Volume 122 / Issue 5 / May 2008

Published online by Cambridge University Press:

12 July 2007, pp. 470-475

Print publication:

May 2008
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Aims:
The purpose of this study was to explore the pathogenic role of bone in sinus surgery, and to determine whether mucosal disease after sinus surgery may be induced by underlying disease within the bone.
Material and methods:
Twenty-five rabbits were divided into five groups. In group one, wide surgical removal of the maxillary sinus mucosa and creation of a nasoantral window were undertaken. In group two, only nasoantral window creation was undertaken. In group three, the mucosa of the anterior maxillary sinus was removed. In group four, a strip of mucosa around the ostium was removed. Group five was used as a control.
Results:
After three months, in the groups which had undergone wide surgical removal, the medial sinus walls were observed to be retracted and the inner curtain of the bone disturbed, with alteration of the haversian canal system and osteoclastic bone resorption.
Conclusions:
After radical sinus surgery, electron microscopic changes were observed in the bony walls, similar to those changes seen in osteomyelitis.

Extensive calvarial tuberculosis: rare complication of tuberculous mastoiditis
M. A. Thandar, J. J. Fagan, M. Garb
Journal:

The Journal of Laryngology & Otology / Volume 118 / Issue 1 / January 2004

Published online by Cambridge University Press:

08 March 2006, pp. 65-68

Print publication:

January 2004
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Tuberculous mastoiditis is a well-documented entity with decreasing incidence in recent years. Tuberculous osteitis of the skull is even rarer. The case of a 58-year-old male with tuberculous mastoiditis complicated by extensive tuberculous osteitis of the skullis presented. This case serves to demonstrate both the difficulty in establishing the diagnosis of tuberculosis and the potentially disastrous consequences of the disease.