Peer-reviewed veterinary case report
Conjunctival lymphoma in dogs and cats - what to know
By McCowan, Christina et al.·Published in Veterinary ophthalmology·2014·University of Melbourne Veterinary Clinical Centre, Australia·View original on PubMed →
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Original publication title: Conjunctival lymphoma: immunophenotype and outcome in five dogs and three cats.
Plain-English summary
A healthy 5-year-old Labrador was brought in for eye problems, specifically conjunctival disease. After testing, the vet found that the dog had a T-cell lymphoma, a type of cancer affecting the eye. Unfortunately, three of the five dogs diagnosed with this condition were euthanized within six months due to worsening health, while the other two remained stable with no signs of disease elsewhere. In contrast, two of the three cats diagnosed with a different type of lymphoma (B-cell) had good survival rates after treatment.
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Abstract
Conjunctival lymphoma is well documented in the medical literature, but veterinary reports are few. We report five cases of canine lymphoma, and three of feline in which the presenting sign was conjunctival involvement. All animals were in apparently good health at the time of presentation, and attended the referring clinic because of conjunctival disease. One dog showed generalized lymphadenopathy at presentation, although the ocular lesion was the reason for consultation, but all other patients were well with no detectable disease beyond the eye. All cats were presented for their ocular disease. All dogs were confirmed to have T-cell tumors, although the histological appearance of these was variable. In contrast, all cats had B-cell tumors. Referring clinicians and owners were contacted for follow-up information. Three dogs had been euthanased within 6 months of diagnosis for deterioration of general health. The remaining two were alive and showed no signs of systemic disease. Two cats had good survival following diagnosis, the other died of lesions that may not be related.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/23910215/