Frontal sinus depth at four landmarks in breeds of dog typically affected by sinonasal aspergillosis

Burrow, R., McCarroll, D., Baker, M., Darby, P., McConnell, F. and Cripps, P. (2012) Frontal sinus depth at four landmarks in breeds of dog typically affected by sinonasal aspergillosis. Veterinary Record, 170(1), p. 20. (doi: 10.1136/vr.100041) (PMID:22016511)

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Abstract

The objective of this study was to assess whether the frontal sinuses in dogs with aspergillosis and of breeds typically affected by this condition were deeper at a more caudal location. CT scans of the head performed at the Small Animal Teaching Hospital, University of Liverpool, between April 2007 and March 2009 for dogs diagnosed with aspergillosis (group 1) and unaffected dogs of similar breeds (group 2) were selected for study. Sinus depth was measured at four standardised locations from reconstructed images of these CT scans. Data were compared for differences in sinus depth between groups and between landmarks. No significant difference was found between measurements within individual dogs or for each of the various landmarks between groups. Difference in depth of the sinuses between landmarks was significant (P<0.001). Sinus depth was significantly greater at the more caudal landmarks and was shallowest at the previously recommended landmark for sinus entry. In 54 per cent of dogs, the frontal sinus depth measured less than or equal to 2 cm at one or more of the landmarks. Sinus entry at the deepest point will reduce the risk of accidentally damaging underlying structures. This may be approximately 1 cm caudal, in breeds of dog that typically develop aspergillosis, to a previously suggested landmark.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:McCarroll, Dr Charlotte
Authors: Burrow, R., McCarroll, D., Baker, M., Darby, P., McConnell, F., and Cripps, P.
College/School:College of Medical Veterinary and Life Sciences > School of Biodiversity, One Health & Veterinary Medicine
Journal Name:Veterinary Record
Publisher:B M J Group
ISSN:0042-4900
ISSN (Online):2042-7670
Published Online:20 October 2011

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