Original Research

An investigation into the usefulness of a rostrocaudal nasal radiographic view in the dog

R.M. Kirberger, S.L. Fourie
Journal of the South African Veterinary Association | Vol 73, No 4 | a582 | DOI: https://doi.org/10.4102/jsava.v73i4.582 | © 2002 R.M. Kirberger, S.L. Fourie | This work is licensed under CC Attribution 4.0
Submitted: 06 July 2002 | Published: 06 July 2002

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R.M. Kirberger,
S.L. Fourie,

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Abstract

A rostrocaudal (RCd) nasal view was developed in large breed mesaticephalic dogs using a complete, subsequently sectioned, skull and cadaver specimens to optimise the radiographic technique and evaluate normal anatomic features. Gelatin was placed in one nasal passage of the cadaver specimens to mimic the effects of nasal pathology. The latter specimens and 18 clinical cases with suspected nasal disease were evaluated to determine the usefulness of the RCd view compared to standard nasal views. An optimal RCd view was obtained with the dog in dorsal recumbency and the head symmetrically positioned with the hard palate perpendicular to the table using a table top technique with 8 : 1 grid, collimating to the nasal region and centring the primary beam on the philtrum. The dorsolateral aspects of the maxillary bone, the nasal bones, septal sulcus of the vomer, mucosa lined nasal septum and conchae could be seen. A centrodorsal more radiolucent area representing the ethmoid bone region was also visible. Gelatin soft tissue opacification of the nasal passage could be seen more clearly in RCd nasal view than in occlusal dorsoventral view. In clinical cases the RCd view was useful to build up a 3-dimensional image of nasal passage pathology as well as to detect nasal septum and osseous nasal border pathology not visible in other views. This view is particularly useful in cases where cross-sectional imaging modalities are not available or where the nasal investigation is limited by cost considerations.

Keywords

Dog; Nasal Radiography; Rostrocaudal Nasal View

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