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Are maxillary mucosal cysts a manifestation of inflammatory sinus disease?

Published online by Cambridge University Press:  25 January 2007

R P S Harar ,
N K Chadha  and
G Rogers
R P S Harar*
Affiliation:
Royal National Throat, Nose and Ear Hospital, London, UK.
N K Chadha
Affiliation:
Royal National Throat, Nose and Ear Hospital, London, UK.
G Rogers
Affiliation:
Royal National Throat, Nose and Ear Hospital, London, UK.
*
Address for correspondence: Mr R P S Harar, 2 The Boulevard, Manor Rd, Woodford Green IG8 8GW, UK. E-mail: [email protected]
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Abstract

Background:

The aetiology of maxillary mucosal cysts is uncertain. Chronic rhinosinusitis has been proposed as a probable aetiological explanation for their formation.

Method:

We recruited 500 consecutive patients who had undergone computed tomography scanning of the paranasal sinuses for possible chronic sinus disease. We identified 110 (22 per cent) cases of maxillary mucosal cysts.

Results:

Patients' mean age was 42.65 years, with a female to male ratio of 0.69:1 (45:65). The mean cyst size was 14.27 mm, and most were located on the inferior surface of the antrum. Only in two cases did the cyst obstruct the sinus ostium. Of patients with antral cysts, 52.7 per cent had computed tomography evidence of sinus disease, whereas only 41.3 per cent of noncyst (control) patients had sinus pathology. The total Lund–Mackay score was significantly greater in the cyst group (n=390) compared with the noncyst group (Mann–Whitney; p<0.05).

Conclusion:

Chronic rhinosinusitis plays an important role in the aetiology of maxillary mucosal cysts.

Keywords

Maxillary SinusCystsSinusitisComputed Tomography
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 121 , Issue 8 , August 2007 , pp. 751 - 754
Copyright
Copyright © JLO (1984) Limited 2007

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Footnotes

Presented at the 20th Congress of the European Rhinologic Society and at the 23rd International Symposium on Infection and Allergy of the Nose, 4 June 2004, Istanbul, Turkey.

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