Peer-reviewed veterinary case report
Pony foal with leg deformities - what to know about ulnas and fibulas
By Shamis, L D & Auer, J·Published in Journal of the American Veterinary Medical Association·1985·View original on PubMed →
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Original publication title: Complete ulnas and fibulas in a pony foal.
- Species:
- horse
Plain-English summary
A 10-month-old Welsh Pony was brought in for severe limb deformities, specifically flexural deformities and misalignment in the legs. The vet discovered that the pony had complete ulnas and fibulas, which are usually vestigial (non-functional) bones. Previous treatment attempts, including a surgical procedure to correct the angular deformity, did not improve the condition. The recommendation is to remove these extra bones during surgery if they are present, as they may contribute to the deformities.
People also search for: pony leg deformity treatment · Welsh Pony flexural deformity · surgery for pony limb problems
Abstract
Complete ulnas and fibulas were found in a 10-month-old Welsh Pony examined because of severe flexural deformity, with carpal and tarsal valgus deformities, in all limbs. Presence of these normally vestigial structures is considered a form of atavism. At one week of age, periosteal transection was performed for the angular deformity, resulting in no improvement. When performing this procedure, the authors recommend transection of these vestigial structures if present.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/3997641/