Peer-reviewed veterinary case report
Dog with eyelid sweat gland tumor invading eye causing bulging
By Hirai, T et al.·Published in Veterinary pathology·1997·Graduate School of Veterinary Medicine, Japan·View original on PubMed →
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Original publication title: Apocrine gland tumor of the eyelid in a dog.
- Species:
- dog
Plain-English summary
A 13-year-old male Shetland Sheepdog was brought in because his eye was bulging and he had a noticeable growth near the eyelid. After examination, the vet discovered that the growth was an aggressive tumor likely coming from the sweat glands in the eyelid, which had spread into the eye and caused significant damage to the surrounding structures. Unfortunately, due to the extent of the tumor's invasion and destruction, treatment options were limited, and the prognosis was poor.
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Abstract
A 13-year-old male Shetland Sheepdog with progressive exophthalmos had a neoplastic mass in the ocular adnexa. Histologically, this neoplasm was composed of duct-forming epithelial cells with decapitation secretion. Tumor cells invaded the globe through the tunica conjunctiva and replaced the vitreous body. The cornea, iris, ciliary body, and retina were extensively destroyed. Both the epithelial and spindle-shaped myoepithelial cells showed nuclear atypia and mitotic activity in the globe. The primary tumor was diagnosed as adenocarcinoma, probably originating from apocrine sweat glands of the eyelid, and the infiltrating intraocular neoplasm was diagnosed as a malignant mixed tumor.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/9163881/