Diagnostic Imaging and Cytological Analysis Aid the Clinical Investigation of Long Digital Extensor Tendon Subtendinous Bursitis in a Horse.
Abstract: The fetlock joint is a high mobility structure that accommodates enormous loading during locomotion. An injury of the superficial constituent such as subtendinous bursitis may occur due to repeated trauma. An 8-year old school riding horse was presented with dorsomedial distension in the left hindlimb fetlock region. The lesion was noted following routine exercise. The horse demonstrated no lameness and a negative response to the fetlock flexion test. Radiographic findings revealed a smooth surface cortical thickening on the medial aspect of the distal third metatarsal bone. Furthermore, the ultrasonography showed synovial thickening and proliferation, fibrous thickening with an irregular border in the inner synovial lining, and local protuberance of the fibrous layer within the bursa beneath the long digital extensor tendon. Cytological examination of the fluid from the distended lesion discovered multiple nucleated cells, including synoviocytes, nondegenerate neutrophils, lymphocytes, and macrophages. Eventually, the horse suffered subtendinous bursitis of long digital extensor tendon in the left hindlimb fetlock region. Intrabursa administration of 10 mg triamcinolone acetate alongside 25 mg hyaluronan (HA) and subsequent pressure bandaging were performed in the affected fetlock area. The distension was substantially reduced after the 4-week recovery period post medical administration. In summary, the horse was diagnosed with long digital extensor subtendinous bursitis that can occur accidentally. The diagnostic imaging and cytological analysis of accumulated fluid benefited a critical evaluation and facilitated the selection of the appropriate therapeutic plan for this defect.
Copyright © 2021. Published by Elsevier Inc.
Publication Date: 2021-03-16 PubMed ID: 33993936DOI: 10.1016/j.jevs.2021.103449Google Scholar: Lookup
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Summary
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The main focus of this research article is the diagnosis and treatment of subtendinous bursitis, a specific type of injury, in the leg of an 8-year-old riding horse. The diagnosis was facilitated by diagnostic imaging and analysis of cells found in fluid from the affected area, pointing to a therapeutic plan that resulted in recovery after four weeks.
Detailed Explanation of the Research Paper
This research made use of diagnostic imaging and cytological analysis to understand the specific injury in an 8-year old horse and provide appropriate treatment.
- Case Presentation:The horse was found to have an injured fetlock joint following a regular exercise routine. The joint is critical in managing extensive loads during locomotion, and the injury was suspected to be subtendinous bursitis due to repeated trauma. Despite the swelling on the fetlock, the horse did not show signs of lameness and tested negative to a fetlock flexion test.
- Radiographic Findings:Imaging of the affected area showed a thickened surface on the medial side of the metatarsal bone. Additionally, an ultrasound showed various abnormalities in the synovial lining beneath the long digital extensor tendon. These included an irregular border, fibrous thickening, and growth in the inner layer of the lining.
- Cytological Examination:Further examinations were performed on the fluid from the swollen area. They found several nucleated cells such as synoviocytes, nondegenerate neutrophils, lymphocytes, and macrophages. These findings confirmed the diagnosis of subtendinous bursitis of the long digital extensor tendon.
- Treatment and Recovery:The horse was treated with a triamcinolone injection and hyaluronan directly into the bursa, followed by pressure bandaging of the affected area. Significant reduction in swelling was seen within a four-week recovery period after this treatment.
This study highlights the importance of diagnostic imaging and cytological analysis in accurately diagnosing and treating subtendinous bursitis in horses. It indicates that these methods can provide a critical evaluation of the injury, leading to an appropriate therapeutic plan.
Cite This Article
APA
Lapjit C, Charoenchanikran P, Petchkaew P, Sukpipattanamongkol S, Yodsheewan R, Theerapan W, Chanda M.
(2021).
Diagnostic Imaging and Cytological Analysis Aid the Clinical Investigation of Long Digital Extensor Tendon Subtendinous Bursitis in a Horse.
J Equine Vet Sci, 101, 103449.
https://doi.org/10.1016/j.jevs.2021.103449 Publication
Researcher Affiliations
- 29th Cavalry Squadron Royal Horse Guard, Bangkok, Thailand; Veterinary and Remount Department, The Royal Thai Army, Nakhon Pathom, Thailand.
- 29th Cavalry Squadron Royal Horse Guard, Bangkok, Thailand; Veterinary and Remount Department, The Royal Thai Army, Nakhon Pathom, Thailand.
- 29th Cavalry Squadron Royal Horse Guard, Bangkok, Thailand; Veterinary and Remount Department, The Royal Thai Army, Nakhon Pathom, Thailand.
- Veterinary and Remount Department, The Royal Thai Army, Nakhon Pathom, Thailand.
- Department of Pathology, Faculty of Veterinary Medicine, Kasetsart University, Nakhon Pathom, Thailand.
- Kasetsart Veterinary Imaging and Radiotherapy Center, Kasetsart University Veterinary Teaching Hospital, Bangkok, Thailand.
- Department of Large Animal and Wildlife Clinical Science, Faculty of Veterinary Medicine, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, Thailand. Electronic address: fvetmtcd@ku.ac.th.
MeSH Terms
- Animals
- Bursa, Synovial
- Bursitis / diagnostic imaging
- Bursitis / veterinary
- Horse Diseases / diagnostic imaging
- Horses
- Tendons / diagnostic imaging
- Ultrasonography
Citations
This article has been cited 2 times.- Bungărdean D, Pall E, Daradics Z, Popescu M, Tripon MA, Lupșan AF, Crecan CM, Morar IA, Nicolescu A, Bora FD, Marcus I. In Vitro Effects of PRP, Ozonized PRP, Hyaluronic Acid, Paracetamol, and Polyacrylamide on Equine Synovial Fluid-Derived Mesenchymal Stem Cells. Life (Basel) 2025 Oct 4;15(10).
- Zamith Cunha R, Zannoni A, Salamanca G, De Silva M, Rinnovati R, Gramenzi A, Forni M, Chiocchetti R. Expression of cannabinoid (CB1 and CB2) and cannabinoid-related receptors (TRPV1, GPR55, and PPARα) in the synovial membrane of the horse metacarpophalangeal joint. Front Vet Sci 2023;10:1045030.
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