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Peer-reviewed veterinary case report

Bipartite distal phalanx and navicular bone in an Andalusian stallion.

Journal:
Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association
Year:
2005
Authors:
Benninger, Monika I et al.
Affiliation:
Equine Clinic
Species:
horse

Plain-English summary

A study looked at an Andalusian stallion with some unusual bone structures in his right front leg. The horse had a bipartite distal phalanx (which means the bone at the tip of his toe was split into two parts) and a bipartite navicular bone (a bone that helps with movement in the leg, also split into two). There were also signs of a suspected keratoma (a type of growth) and degenerative joint disease (wear and tear in the joint) in the joint near the hoof. The researchers discussed possible reasons for these issues. The outcome of the treatment or management for this horse was not specified.

Abstract

We describe the clinical findings and radiographic abnormalities of a horse with a bipartite distal phalanx and a bipartite navicular bone of the right forelimb. Associated findings including suspected keratoma and degenerative joint disease of the distal interphalangeal joint are described and possible etiologies are discussed.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/15693564/