Peer-reviewed veterinary case report
Testicular cyst near epididymis in 9-year-old Shetland Sheepdog
By Wakui, S et al.·Published in Veterinary pathology·1997·Azabu University School of Veterinary Medicine, Japan·View original on PubMed →
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Original publication title: Testicular efferent ductule cyst of a dog.
- Species:
- dog
Plain-English summary
A 9-year-old male Shetland Sheepdog was found to have a small mass in his left testicle during a veterinary exam. The mass was identified as a cyst located near the head of the epididymis, which is part of the reproductive system. The cyst was lined with specific types of cells similar to those found in healthy tissue. While the cyst itself was not causing immediate health issues, it was determined to be a result of abnormal development in the testicular ducts. Treatment options would depend on the veterinarian's assessment of the cyst's impact on the dog's health.
People also search for: dog testicular mass · Shetland Sheepdog testicular cyst · dog reproductive system issues
Abstract
A 9-year-old male Shetland Sheepdog had a small mass in the left testis. Grossly, the round to oval cyst was present at the upper pole of the testicular parenchyma near the head of the epididymis. Histologically, the cyst was lined by a single layer of nonciliated and ciliated epithelial cells. Immunohistochemically, the epithelial cells of the cyst showed expression of the low- and high-molecular-weight cytokeratins, vimentin, and desmin similar to that of normal efferent ductules in the dog. The testicular cystic dysplasia was thought to originate from the efferent ductules.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/9163880/