An incidental finding of numerous hypocellular nodules within a mandibular–sublingual gland complex sialocoele in a dog

An 11-month-old female Labrador Retriever presented with a 3-month history of progressively enlarging, unilateral, ventral mandibular swelling. Cytology was consistent saliva, and the dog referred for further investigations. Computed tomographic (CT) imaging performed, findings were suggestive left-sided sialocoele. The underwent sialoadenectomy surgery left mandibular–sublingual gland complex. On incising thick capsule sialocoele, swelling incidentally found to contain hundreds 1.5–2 mm firm, spherical structures. Cytological histological examination structures demonstrated that these non-mineralised, hypocellular, proteinaceous nodules. nodules not able be identified on review pre-operative CT scan. To authors’ knowledge, this is first report such radiolucent, being present within canine