MRI and CT diagnosis of acute desmopathy of the lateral collateral sesmoidean (navicular) ligament and long-term outcome in a horse.
Abstract: Clinical, magnetic resonance imaging (MRI) and computed tomography (CT) findings of acute desmopathy of the lateral collateral sesmoidean (navicular) ligament (CSL) in a 13-year-old Hanoverian mare are presented. On admission to the clinic the horse showed a grade 5/6 left front-limb lameness at the walk, pain on coffin joint manipulation, and coffin joint effusion. Despite a positive palmar digital nerve block, radiographs and ultrasonography did not indicate reasons for the severe clinical signs. However, MRI revealed damage to the CSL and bone marrow oedema of the navicular bone (NB), whereas a focal bone defect of the NB at the CSL insertion zone was demonstrated best by CT. The horse was managed with complete box rest and a fibreglass cast for four weeks followed by a controlled exercise program. Follow-up examination revealed no lameness at the trot three months later and the patient had fully recovered within six months.
Publication Date: 2006-10-17 PubMed ID: 17049889DOI: 10.1016/j.tvjl.2006.08.003Google Scholar: Lookup
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Summary
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The research paper discusses the diagnosis and long-term treatment outcome of acute desmopathy of the lateral collateral sesmoidean (navicular) ligament in a horse, diagnosed using MRI and CT scans. Despite initial inconclusive results from radiographs and ultrasonography, the imaging from MRI and CT scans showed the damage and deformity of the navicular bone, which was successfully treated with rest and a controlled exercise program.
Clinical Presentation and Diagnosis
- The research revolves around the case of a 13-year-old Hanoverian mare hospitalized due to left front-limb lameness, pain upon coffin joint manipulation and coffin joint effusion.
- Despite a positive palmar digital nerve block, traditional diagnostic tools like radiographs and ultrasonography failed to identify the root cause of these severe clinical signs.
- The conclusive diagnosis was made through magnetic resonance imaging (MRI) and computed tomography (CT) scans. MRI revealed damage to the lateral collateral sesmoidean (navicular) ligament (CSL) and bone marrow edema (swelling due to excess fluid) of the navicular bone (NB).
- Moreover, CT scans highlighted a specific bone defect at the insertion zone of CSL.
Treatment and Outcome
- The mare was subjected to complete box rest along with a fiberglass cast for a period of four weeks, which was followed by a controlled exercise regimen.
- The results of this treatment approach were encouraging. In the follow-up examination, no lameness was observed in the horse’s trot after three months.
- Complete recovery of the patient was achieved within six months.
Impact and Conclusion
- The study indicates the importance of advanced imaging techniques like MRI and CT in accurately diagnosing complex cases, which could not be identified through typical diagnostic methods.
- The successful outcome of the case suggests that adequate rest and a controlled exercise routine could be effective in treating acute desmopathy of the lateral collateral sesmoidean ligament in horses.
- This study aids in enhancing knowledge and understanding of the disease, which could be beneficial for future treatment and research.
Cite This Article
APA
Kofler J, Kneissl S, Malleczek D.
(2006).
MRI and CT diagnosis of acute desmopathy of the lateral collateral sesmoidean (navicular) ligament and long-term outcome in a horse.
Vet J, 174(2), 410-413.
https://doi.org/10.1016/j.tvjl.2006.08.003 Publication
Researcher Affiliations
- Clinical Department of Horses and Small Animals, Clinic for Orthopaedics in Large Animals, University of Veterinary Medicine, Veterinärplatz 1, 1210 Vienna, Austria. Johann.Kofler@vu-wien.ac.at
MeSH Terms
- Animals
- Collateral Ligaments / diagnostic imaging
- Collateral Ligaments / pathology
- Diagnosis, Differential
- Female
- Forelimb
- Horse Diseases / diagnostic imaging
- Horse Diseases / etiology
- Horse Diseases / pathology
- Horses
- Joint Diseases / diagnostic imaging
- Joint Diseases / pathology
- Joint Diseases / veterinary
- Lameness, Animal / diagnostic imaging
- Lameness, Animal / etiology
- Lameness, Animal / pathology
- Magnetic Resonance Imaging / methods
- Magnetic Resonance Imaging / veterinary
- Prognosis
- Reproducibility of Results
- Sensitivity and Specificity
- Tomography, X-Ray Computed / methods
- Tomography, X-Ray Computed / veterinary
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