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Chronic sialolithiasis in a Trakehner mare
1Atlantic Veterinary College, University of Prince Edward Island, 550 University Avenue, Charlottetown, Prince Edward Island.
Summary
A firm mass on a mare's jaw was diagnosed as a salivary stone (sialolithiasis) in the parotid duct. Surgical removal of the stone, containing organic material, led to a full recovery.
Area of Science:
- Veterinary Medicine
- Equine Surgery
- Oral Pathology
Background:
- Sialolithiasis, the formation of salivary stones, can affect various species, including horses.
- Obstruction of salivary ducts can lead to discomfort and secondary complications.
Observation:
- An 11-year-old Trakehner mare presented with a palpable, firm, and mobile mass on the left maxilla.
- Radiographic imaging identified a distinct, opaque, ovoid mass consistent with a sialolith.
Findings:
- A diagnosis of left parotid duct sialolithiasis was confirmed.
- Surgical excision of the sialolith via a transoral approach was successful.
- The excised sialolith contained an organic nidus, suggesting a potential cause for stone formation.
Implications:
- This case highlights the successful surgical management of equine parotid duct sialolithiasis.
- Early diagnosis and surgical intervention can lead to favorable outcomes in horses with salivary gland stones.
- Understanding the composition of sialoliths, including organic components, may offer insights into preventative strategies.