Radiographic examination of the facial, nasal and paranasal sinus regions of the horse: I. Indications and procedures in 235 cases.
Abstract: The radiographic procedures used for examination of the facial area and paranasal sinuses of 235 horses are reported. Clinical indications for these examinations and the diagnoses made are reviewed. Unilateral nasal discharge was the commonest reason for radiography, accounting for about one third of cases, most of which had radiological signs of paranasal sinus disease recognisable on erect lateral films. Oblique projections were required to obtain further information about the maxillary dental arcades and ventro-dorsal views demonstrated sinus expansion and extension of disease into the nasal cavity. In 24 horses with bilateral nasal discharge, the origin was usually shown to be in the lower respiratory tract and radiographic abnormalities were found in only 20 per cent of cases. Facial swelling was a feature of 25 per cent of cases; the commonest causes were premolar periapical disease, best shown on oblique views with the patient recumbent, and suture periostitis, easily demonstrated on erect lateral films. Other causes of facial swelling, which required multiple radiographic projections for evaluation, were sinus cysts and tumours and peripheral soft tissue masses. Epistaxis for which no cause could be found in the lower respiratory tract was the indication for radiography in a further 10 per cent of cases. In almost half of these a radiopaque shadow representing an ethmoid haematoma could be seen on an erect lateral film. A sinus cyst and a tumour were also recorded but most other causes of epistaxis failed to produce radiographic signs.(ABSTRACT TRUNCATED AT 250 WORDS)
Publication Date: 1987-09-01 PubMed ID: 3678192DOI: 10.1111/j.2042-3306.1987.tb02647.xGoogle Scholar: Lookup
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- Journal Article
- Research Support
- Non-U.S. Gov't
Summary
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This research studied the radiographic examination techniques used for analyzing the facial region and paranasal sinuses of 235 horses. It details the clinical reasons, and diagnoses made from these exams. Common findings included unilateral nasal discharge typically indicating sinus disease, facial swelling often caused by premolar disease or periostitis, and epistaxis with roots in ethmoid hematoma.
Radiographic Examination Techniques Used
- The study focused on radiographic procedures used to examine the facial structures and the paranasal sinuses of horses.
- Oblique projections, erect lateral films, and ventro-dorsal views were among the techniques employed to get full and clear images of the horses’ facial structures.
- These diverse views enabled vets to study different aspects of the facial, nasal and sinus regions.
Diagnoses and Indications
- In most instances, the research found that unilateral nasal discharge was the most common reason for radiographic examination. This discharge mostly indicated paranasal sinus disease.
- Radiographic signs of paranasal sinus disease were clearly detectable in erect lateral films.
- Facial swelling was present in about one quarter of the examined cases, often due to premolar periapical disease, best seen through oblique views, or suture periostitis, which was easily recognized on erect lateral films.
- Other causes of facial swelling included sinus cysts, tumours and external soft tissue masses which required multiple radiographic projections for evaluation.
- Epistaxis, or nose bleeds, were the reason for radiography in 10% of cases, often due to ethmoid hematoma.
- Among the horses with bilateral nasal discharge, most of the root problems were traced back to the lower respiratory tract. Radiographic abnormalities were only found in about 20% of these cases.
Overall Results
- The research concluded that appropriate radiographic procedures are essential for accurate diagnoses in equine patients displaying symptoms of facial, nasal, or sinus distress.
- A correct diagnosis of these symptoms in horses can help in initiating targeted treatments for conditions such as paranasal sinus disease, premolar periapical disease, and ethmoid hematoma.
- The insights gained from this study can assist in enhancing the understanding of equine nose, sinus and facial ailments and their subsequent treatment.
Cite This Article
APA
Lane JG, Gibbs C, Meynink SE, Steele FC.
(1987).
Radiographic examination of the facial, nasal and paranasal sinus regions of the horse: I. Indications and procedures in 235 cases.
Equine Vet J, 19(5), 466-473.
https://doi.org/10.1111/j.2042-3306.1987.tb02647.x Publication
Researcher Affiliations
- Department of Surgery, University of Bristol School of Veterinary Science, Langford.
MeSH Terms
- Animals
- Face / diagnostic imaging
- Female
- Horse Diseases / diagnostic imaging
- Horses
- Male
- Nose / diagnostic imaging
- Paranasal Sinuses / diagnostic imaging
- Radiography
- Retrospective Studies
Citations
This article has been cited 1 times.- Poore LA, Le Roux C, Carstens A. Trauma-induced exostosis of multiple suture lines causing partial bilateral nasolacrimal duct obstruction in a 7-year-old Thoroughbred mare. J S Afr Vet Assoc 2019 Sep 26;90(0):e1-e7.
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