Peer-reviewed veterinary case report
Disseminated venereal tumor linked to leishmaniasis in dog
By Trevizan, J T et al.·Published in Reproduction in domestic animals = Zuchthygiene·2012·Department of Clinic, Brazil·View original on PubMed →
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Original publication title: Disseminated transmissible venereal tumour associated with Leishmaniasis in a dog.
- Species:
- dog
Plain-English summary
An 8-year-old female dog with a history of leishmaniasis (a disease caused by parasites) was brought in with fluid buildup in her abdomen and unusual discharge from her vulva. Tests revealed a transmissible venereal tumor (TVT), which is a type of cancer that can spread to other parts of the body. During surgery, the vet found the tumor had spread to her abdomen, spleen, liver, and uterus. The dog's weakened immune system from leishmaniasis likely contributed to the tumor's aggressive behavior.
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Abstract
This report addresses an atypical transmissible venereal tumour in an 8-year-old bitch that was pluriparous and seropositive for leishmaniasis. There were ascites and a serosanguineous discharge from the vulva, but no lesions on the external genital mucosa. An aspirate of the peritoneal fluid showed mononuclear round cells characteristic of transmissible venereal tumour (TVT). Exploratory laparotomy revealed light red, granulomatous structures in the peritoneum, omentum, spleen, liver and uterine horns. Cytological and histopathological tests confirmed the diagnosis of intra-abdominal TVT. Dissemination of the TVT to several organs inside the abdominal cavity probably resulted from immunosuppression caused by leishmaniasis, which favoured the presence and aggressiveness of TVT.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/23279537/