Peer-reviewed veterinary case report
Dog with growing lump behind right eye diagnosed as lacrimal gland
By Wang, F I et al.·Published in Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·2001·Department of Veterinary Medicine·View original on PubMed →
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Original publication title: Orbital adenocarcinoma of lacrimal gland origin in a dog.
- Species:
- dog
Plain-English summary
A 13-year-old female mixed-breed dog was brought to the vet because her right eye was getting bigger and bulging out. The vet found a firm, round mass about the size of a golf ball behind the eye, which was pushing the eyeball forward. After examining the mass, it was determined to be a low-grade adenocarcinoma (a type of cancer) originating from the lacrimal gland, which produces tears. The dog was treated for this condition, and the specific treatment details would be important to discuss with your veterinarian.
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Abstract
A 13-year-old intact female mixed-breed dog was presented for a progressive enlargement of the right eye, which had been treated previously for conjunctivitis. A round, firm mass, approximately 4 cm in diameter, was protruding from the superotemporal aspect of the right orbit, displacing the eyeball anteriorly and ventromedially. The mass was encapsulated, distinct from the eyeball, and not associated with the eyelids. On cut surface, there was a pale multilobulated periphery, with a dark red, soft, and depressed core. Histologically, tumor cells formed cords and tubules, which were stained with mouse anti-human cytokeratin antibody AE1/AE3. Residual glands were serous, and the majority of tumor cells were negative for mucin. The supraorbital location, encapsulation, and residual serous glands suggest that this mass was a low-grade adenocarcinoma of the lacrimal gland.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/11289213/