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Sialolipoma of the parotid salivary gland in two dogs
  1. Verónica Rodiño Tilve,
  2. Marlene Finck,
  3. Joshua DG Leach and
  4. Michael J Macfarlane
  1. School of Veterinary Medicine, University of Glasgow School of Life Sciences, Glasgow, UK
  1. Correspondence to Verónica Rodiño Tilve; vero.rotil{at}


An eight-year-old male neutered boxer and a 10-year-old female neutered lurcher were presented with palpable masses in the region of the right parotid salivary gland. In both cases, fine needle aspirates yielded adipose cells, normal salivary epithelium and some blood contamination. CT images showed a mixed fat attenuating mass in the region of the right parotid salivary gland, without a normal ipsilateral parotid salivary gland. Surgical excision was performed in both cases and histopathology was consistent with sialolipoma. Neither mass has recurred 7 and 16 months after surgery. Sialolipoma should therefore be considered as a differential in dogs with a mass in this location. Fine needle aspirates showing salivary epithelium and adipose cells should not be dismissed as non-diagnostic. To the authors’ knowledge, these are the two first reported cases of sialolipomas of the parotid salivary gland in dogs and the first description of cross-sectional imaging of sialolipomas.

  • Computed tomography (CT)
  • Dogs
  • Neoplasia
  • Soft tissue surgery
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  • Contributors All authors listed have contributed significantly to the work, have read the manuscript, attest to the validity and legitimacy of the data and its interpretation, and agree to its submission to Veterinary Record Case Reports.

    Detailed contributorship statement:

    VRT: Collating clinical information, literature review, and writing and revising the manuscript.

    MF: Interpreting and reporting the imaging studies, revising the manuscript.

    JDGL: Histopathological interpretation and reporting, revising the manuscript.

    MJM: Performing diagnostic testing and clinical management, literature review and revising the manuscript.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data sharing statement All available data can be obtained from the corresponding author.

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