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Peer-reviewed veterinary case report

Lumps on my stallion's scrotum - could it be cancer?

By Epstein, V & Hodge, D·Published in Australian veterinary journal·2005·University of Queensland, Australia·View original on PubMed

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Original publication title: Cutaneous lymphosarcoma in a stallion.

Species:
horse
LymphomaSkin & coatHorses

Plain-English summary

An 8-year-old Thoroughbred stallion was brought in because he had lumps on his scrotum. Tests on samples taken from the lumps revealed that they were a type of cancer called T-cell lymphosarcoma, which affects the lymphoid tissue. Unfortunately, the stallion did not receive any treatment and was later euthanized.

Abstract

Multiple cutaneous lymphosarcomas were diagnosed in an 8-year-old Thoroughbred stallion presented for evaluation of lumps on its scrotum. Histological examination of skin biopsy samples showed a homogenous pattern of lymphoid tissue suggestive of a T-cell lymphosarcoma. Immuno-histochemical tests showed a positive reaction to Rabbit/Anti-Human T-Cell, CD3 antibodies confirming T-cell lymphosarcoma. The animal was not treated and was subsequently euthanased.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/16255283/