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Online Journal of Veterinary Research

(Including Medical and Laboratory Research)

Established 1994
ISSN 1328-925X


Volume 27 (10): 546-549, 2023.

Parotid duct salivary stone in a horse: a case report


Siavosh Haghighi ZM DVM PhD, Moaddab SH DVM DVSc, Afshari E DVM DVSc.


Department(s) of Pathology-Clinical Sciences, Razi University of Kermanshah, Iran.




Haghighi S, Moaddab SH, Afshari E., Parotid duct salivary stone in a horse: a case report, Onl J Vet Res., 27 (10): 546-549, 2023. Sialolithiasis accounts for most salivary gland obstruction in horses. Salivary stones mostly affect older horses and parotid duct is most commonly involved. A 15 year old mixed-breed mare presented with a firm movable mass near rostral edge of right facial crest without clinical signs or pain by palpation. There were no attachments or adhesions to underlying, overlying tissues or bone. Antibiotic was given to control sialolithiasis infection. To remove sialolith, an intraoral incision was made directly on stone removed by grasping clamp and incision left open for drainage of duct. The white 5x3 cm diameter sialolith had concentric onion type depositions. Parotid biopsy for microscopy revealed chronic sialadenitis with mixed inflammatory cell infiltration, acinar necrosis and fibrosis. Images of condition are provided.

Key Words: parotid salivary gland, Sialolithiasis, Calculi.Key Words: parotid salivary gland, Sialolithiasis, Calculi.