CT features of alveolitis and sinusitis in horses.
Abstract: Sinusitis is a common disorder in horses and may result from trauma, dental diseases, or space-occupying lesions. Radiography can only provide a limited amount of information. Computed tomography (CT) has been documented as an alternative imaging method. Eighteen horses (mostly Warmblood) with signs of chronic sinusitis were examined preoperatively with CT to assist in diagnosis of the underlying cause. There was a group of common CT features in horses with dental disease and sinusitis. The first molar was the most frequently affected maxillary cheek tooth. Hypoattenuation of the cementum, destruction of the enamel, and filling of the infundibular cavity with gas were the most frequent CT findings associated with caries. Gas bubbles within the bulging root area or fragmentation of the root in combination with swelling of the adjacent sinus lining were the most important CT features of dental decay. CT findings associated with sinusitis included excessive thickening of the respiratory epithelium in the rostral maxillary sinus; the caudal maxillary sinus was less often involved. The infraorbital canal, the nasomaxillary duct, and the frontomaxillary aperture were usually involved. The maxillary bone, however, especially the facial crest, was involved in nearly every horse, being characterized by endosteal sclerosis, thickening, periosteal reaction, and deformation leading to facial swelling in chronic infections. CT images allowed identification of involvement of individual teeth more clearly to reveal the diseased one for treatment. Three-dimensional imaging allowed improved understanding of the extent and severity of the pathologic change.
Publication Date: 2003-06-21 PubMed ID: 12816367DOI: 10.1111/j.1740-8261.2003.tb00454.xGoogle Scholar: Lookup
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- Journal Article
Summary
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The research article investigates the computed tomography (CT) features of alveolitis and sinusitis in horses. Horses with chronic sinusitis were evaluated using CT imaging to assist in diagnosis and treatment. The findings indicate that CT imaging can provide detailed insights into the specific teeth affected and the severity of the disease.
Methods and Subjects
- The study included 18 horses, primarily of the Warmblood breed, exhibiting signs of chronic sinusitis.
- Each of these horses was examined preoperatively using CT scans to assist in diagnosing the root causes of their sinus condition.
Key Findings
- Common CT features were identified in horses with sinusitis and dental diseases. The most frequently affected tooth was the first molar.
- Characteristics related to dental caries included hypoattenuation of the cementum, destruction of the enamel, and gas-filled infundibular cavities.
- Important CT features of dental decay included gas bubbles within the bulging root area, root fragmentation, and swelling of the adjacent sinus lining.
- Sinusitis-related CT findings included excessive thickening of the respiratory epithelium in the rostral maxillary sinus and, less commonly, in the caudal maxillary sinus. The infraorbital canal, the nasomaxillary duct, and the frontomaxillary aperture were often involved.
- The maxillary bone, and especially the facial crest, was involved in nearly all the cases, showing endosteal sclerosis, thickening, periosteal reaction, and deformation that resulted in facial swelling in chronic infections.
Utility of CT Imaging
- CT imaging allowed for the clearer identification of individual teeth involvement, which in turn facilitated selection of the appropriate diseased tooth for treatment.
- Three-dimensional imaging provided a better understanding of the extent and severity of the pathological changes in the sinus condition of the horses.
Cite This Article
APA
Henninger W, Frame EM, Willmann M, Simhofer H, Malleczek D, Kneissl SM, Mayrhofer E.
(2003).
CT features of alveolitis and sinusitis in horses.
Vet Radiol Ultrasound, 44(3), 269-276.
https://doi.org/10.1111/j.1740-8261.2003.tb00454.x Publication
Researcher Affiliations
- Clinic of Radiology, University of Veterinary Medicine, Vienna, A-1210 Vienna, Veterinärplatz 1, Austria.
MeSH Terms
- Animals
- Female
- Horse Diseases / diagnostic imaging
- Horse Diseases / surgery
- Horses
- Male
- Pulmonary Fibrosis / diagnostic imaging
- Pulmonary Fibrosis / veterinary
- Sinusitis / diagnostic imaging
- Sinusitis / veterinary
- Tomography, X-Ray Computed / veterinary
- Tooth Diseases / diagnostic imaging
- Tooth Diseases / veterinary
Citations
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