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Solitary osteochondroma of the radius in three horses
J P Held1, C S Patton, M Shires
1Department of Rural Practice, College of Veterinary Medicine, University of Tennessee, Knoxville 37901-1071.
Insights
Osteochondroma in horses can cause lameness by affecting digital flexor tendons. Surgical removal of these benign bone tumors from the distal radius can resolve the issue.
Area of Science:
- Veterinary Orthopedics
- Equine Surgery
- Diagnostic Imaging
Background:
- Osteochondroma is a benign bone tumor that can affect horses.
- Distal radius osteochondromas can lead to lameness and carpal canal swelling.
- Accurate diagnosis is crucial for effective treatment planning.
Observation:
- Three horses presented with lameness and distended superficial and deep digital flexor tendon sheaths.
- Radiographic or other imaging modalities were used to diagnose distal radius osteochondroma.
- Clinical signs correlated with the presence of the osteochondroma.
Findings:
- Osteochondroma of the distal radius was diagnosed in all three horses.
- In two cases, surgical excision of the osteochondroma was performed.
- The surgical approach involved an incision above the carpal ligament, utilizing the lateral digital extensor muscle.
Implications:
- Surgical removal of distal radius osteochondromas is a viable treatment option in horses.
- Early diagnosis and intervention can improve prognosis for horses with this condition.
- Understanding the anatomical approach is key for successful surgical outcomes in equine limb surgery.
Abstract:
Osteochondroma of the distal portion of the radius was diagnosed in 3 horses with a history of lameness and distention of the common tendon sheath of the superficial and deep digital flexor tendons at the level of the carpal canal. In 2 horses, the exostosis was removed through an incision at the caudal border of the lateral digital extensor muscle above the carpal ligament.