Peer-reviewed veterinary case report
Stallion with hoof wall cancer - signs and treatment
By Berry, C R et al.·Published in Journal of the American Veterinary Medical Association·1991·Department of Radiological Sciences, United States·View original on PubMed →
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Original publication title: Squamous cell carcinoma of the hoof wall in a stallion.
- Species:
- horse
Plain-English summary
A 15-year-old Thoroughbred stallion was brought in for lameness in his right hind leg, which had been ongoing for some time. The vet found a mass on the hoof wall that didn’t hurt when touched, but X-rays showed a concerning area in the bone beneath it. After surgery to remove the mass, it was diagnosed as squamous cell carcinoma, a type of skin cancer. Unfortunately, eight months later, the cancer spread and caused a fracture in the bone. This case emphasizes the importance of getting a proper diagnosis for hoof wall masses to tell if they are serious or not.
People also search for: horse hoof wall mass · stallion lameness treatment · squamous cell carcinoma in horses
Abstract
Squamous cell carcinoma of the hoof wall, with resultant invasion of the right hind distal phalanx, was identified in a 15-year-old Thoroughbred stallion. The clinical features included a chronic grade 2/5 right hind limb lameness and a sessile dorsal hoof wall mass that was not sensitive to palpation. Radiography revealed a well-circumscribed circular lucency within the distal phalanx, beneath the clinically noticed hoof wall mass. These features were considered to be characteristic of a hoof wall keratoma. Surgical intervention was done 10 months later. The histologic diagnosis at the time of surgery was squamous cell carcinoma. Eight months after surgery, progressive tumor invasion of the distal phalanx resulted in a pathologic articular fracture. This case highlights the need for accurate histologic diagnosis of equine hoof wall masses to differentiate between benign and malignant conditions.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/1885337/