surgical treatment of sialocele associated with osseous metaplasia and sialolith in a terrier dog

Case description- the present case described sialocele associated with sialoliths and ectopic ossification in a 3-year-old female terrier dog. clinical findings- in the general examination, an enlargement fluctuate mass was seen blow the jaw around the neck. clinical parameters (tpr) and blood test results were normal. the radiograph was showed the fluid opacity mass with some radiopaque particles within it. the fine needle aspiration and then the cytologic investigation proved that the mass was filled with saliva. treatment and outcome- the surgical technique was the best treatment for removing the affected mandibular and sublingual salivary glands. in histopathologic study, no salivary acini or ducts were observed. the mass wall lined with epithelium tissue in some area. the well differentiated trabecular bones were present in the inner surface of cyst. some sialoliths in 2-4 mm dimeter were identified in the mass. clinical relevance- salivary sialocele is a collected saliva in a cavity formed of connective tissue. the most affected animal is dog in any age especially in male, and rare in other species.