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Peer-reviewed veterinary case report

Salivary mucocele with bone tissue in a dog neck swelling

By Park, Jin-Kyu et al.·Published in The Journal of veterinary medical science·2009·College of Veterinary Medicine, South Korea·View original on PubMed

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Original publication title: Salivary mucocele with osseous metaplasia in a dog.

Species:
dog

Plain-English summary

A 4-year-old male dachshund was brought to the vet because of a soft swelling in his neck. The vet surgically removed the swelling, which was filled with bloody mucus and identified as a salivary mucocele, a type of fluid-filled cyst. Unusually, the cyst also had some bony tissue on its surface. After the surgery, the dog was diagnosed with a salivary mucocele that had developed bony changes. The dog recovered well after the procedure.

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Abstract

A 4-year-old, male, dachshund was referred to a certain local veterinary hospital because of a soft and fluctuant swelling in the left upper cervical region. The swelling was surgically removed and appeared to be filled with bloody mucus. Grossly, the swelling was identified as salivary mucocele and showed small multifocal whitish ossified tissue on its surface. Microscopically, the wall of salivary mucocele appeared as granulation tissue surrounding mucin, which was composed of loose edematous and vascularized connective tissue containing chronic inflammatory cells such as lymphocytes, plasma cells and macrophages. Characteristically, present case had ossifying components formed by metaplastic spindle cells in the wall of salivary mucocele. Therefore, the present case was diagnosed as salivary mucocele with osseous metaplasia in a dog.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/19652488/