Journal article
Contrast enhanced computed tomography findings in 105 horse distal extremities
Journal of Equine Veterinary Science, Vol.104, Art. 103704
2021
Abstract
The poor soft tissue conspicuity of CT can be improved by using intra-arterial CT Angiography (CTA), and intra-articular and intra-bursal contrast enhanced CT (CTAR). This retrospective study describes a combination protocol of CT and CTA of the horse's foot, and CTAR of the distal interphalangeal joint and navicular bursa. It is hypothesized this would provide a comprehensive overview of the range and severity of distal limb pathology. Radiology reports of all horses admitted for distal limb CT over a 5 year period were reviewed. All horses with a complete four stage CT examination and radiology report with lameness isolated to the foot were included. Twenty seven imaging findings using a four grade semiquantitative severity scoring system contributing towards six main diagnostic categories were described. One hundred and five examinations on 56 horses revealed a diagnosis of navicular bone disease in 64%, deep digital flexor tendinopathy in 43%, distal interphalangeal osteoarthritis in 35%, navicular bursitis in 31%, distal interphalangeal collateral ligament desmopathy in 26%, and hoof capsule and distal phalanx pathology in 10%. Only 25% of the navicular bone disease cases were considered clinically significant. The majority of deep digital flexor tendon lesions (77%) and distal interphalangeal joint osteoarthritis (51%) were considered significant. Approximately one third of navicular bursa (37%) and collateral ligament (33%) abnormalities were considered significant. Navicular bursa abnormalities were associated with navicular bone and deep digital flexor tendon lesions. The findings support the hypothesis and the use of this protocol for evaluation of foot lameness.
Details
- Title
- Contrast enhanced computed tomography findings in 105 horse distal extremities
- Authors/Creators
- F. Pauwels (Author/Creator) - Massey UniversityA. Hartmann (Author/Creator) - Massey UniversityJ. Alawneh (Author/Creator) - Murdoch UniversityP. Wightman (Author/Creator) - Massey UniversityJ. Saunders (Author/Creator) - Ghent University
- Publication Details
- Journal of Equine Veterinary Science, Vol.104, Art. 103704
- Publisher
- W.B. Saunders Ltd
- Identifiers
- 991005542855907891
- Copyright
- © 2021 The Authors.
- Murdoch Affiliation
- School of Veterinary Medicine
- Language
- English
- Resource Type
- Journal article
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