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Peer-reviewed veterinary case report

Omental fibrosarcoma in a horse.

Journal:
Journal of the American Veterinary Medical Association
Year:
1987
Authors:
Harvey, K A et al.
Affiliation:
Department of Clinical Studies
Species:
horse

Plain-English summary

A 13-year-old Thoroughbred mare had been losing weight and experiencing fevers for about two weeks. When the vet examined her, they found signs of inflammation in her abdomen and chest. An ultrasound showed a mass inside her abdomen, but when they tried to operate, they discovered it couldn't be removed. Sadly, the mare was put to sleep, and a post-mortem examination revealed that the mass was a type of cancer called fibrosarcoma that originated from the omentum, a layer of tissue in the abdomen.

Abstract

A 13-year-old Thoroughbred mare had a 2-week history of weight loss and intermittent fever. Examination of abdominal and pleural fluid revealed peritonitis and pleuritis. Ultrasonography of the ventral abdominal midline revealed an intra-abdominal mass. Exploratory celiotomy was performed, but the mass was not surgically excisable. The mare was euthanatized and necropsied. Histologically, the mass was determined to be a fibrosarcoma of omental origin.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/3654299/