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Peer-reviewed veterinary case report

Unilateral subcutaneous fibroma in the distal femoral region of a 5-year-old Nooitgedacht mare.

Journal:
Journal of the South African Veterinary Association
Year:
2018
Authors:
Poore, Luke A et al.
Affiliation:
Department of Companion Animal Clinical Studies
Species:
horse

Plain-English summary

A 5-year-old Nooitgedacht mare was found to have a non-cancerous lump, called a subcutaneous fibroma, located near her knee. After the lump was surgically removed, a detailed examination showed that it was made up of a specific type of connective tissue. The mare recovered well from the surgery without any complications. It's important for veterinarians to consider subcutaneous fibromas when they see swelling on a horse's limbs. The treatment was successful, and the mare is doing fine now.

Abstract

A non-ossified unilateral subcutaneous fibroma was diagnosed in the distal femoral region of a 5-year-old Nooitgedacht mare. Histopathological examination of the excised mass revealed long interweaving bundles of semi-mature monotonous collagenous connective tissue with fusiform nuclei without mitotic figures. The mare made an uneventful recovery following surgical removal of the neoplasm. Subcutaneous fibromas should be considered in the differential diagnosis of skin swellings associated with the limbs of horses.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/30551706/