Peer-reviewed veterinary case report
Malignant seminoma in two unilaterally cryptorchid stallions.
- Journal:
- Reproduction in domestic animals = Zuchthygiene
- Year:
- 2015
- Authors:
- De Lange, V et al.
- Affiliation:
- Department Reproduction
- Species:
- horse
Plain-English summary
Two stallions, both with a condition where one of their testicles did not descend (called unilateral cryptorchidism), were brought to the clinic because they were very thin and weak. After a thorough examination, including a rectal check and ultrasound, the vets found a mass in the abdomen near the kidney and several nodules throughout the abdomen. Further testing showed that both stallions had a type of cancer called malignant seminoma, which had spread to other areas, including the kidney. Additionally, one of the stallions had a seminoma in the testicle that had descended. Unfortunately, the outcome for these stallions was serious due to the advanced cancer.
Abstract
Two unilateral cryptorchid stallions were referred to the clinic because of chronic debilitating condition with emaciation. Rectal examination, and ultrasound and gross examination revealed in both animals an abdominal mass, caudally of the kidney, and multiple nodules spread over the abdomen. Histologic analysis revealed an intra-abdominal malignant seminoma with intraperitoneal and renal metastasis. Interestingly, a seminoma was also present in the descended testis of the draught horse.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/25759202/