An Unusual Case of Equine Sarcoid of the Distal Limb in an Arabian Mare: A Case Report

Articles in Press

Document Type : Case Report

Authors

1 Equine Practitioner, Tehran Province, Tehran, Iran

2 Department of Pathology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran

3 Department of Surgery and Radiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran.

4 Student of Veterinary Medicine, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran

Abstract

Sarcoid is the most common skin tumor in horses. A 12-year-old Arabian mare was examined for a significant, solid soft tissue mass around the distal portion of the right metatarsal bone and fetlock joint. The mass increased in size gradually nearly two years ago after the excisional surgery. Clinical examination showed the lobulated mass, which was firm and painful in palpation. Radiographic imaging showed the bone involvement with severe soft tissue swelling on the dorsal and plantar aspects of the metatarsal bone and fetlock joint. Following histopathology, the mass was identified as a sarcoid. The horse deteriorated and died. Recurrent growth of sarcoid masses is common, especially after frequent, unprincipled interventions. Surgery alone may not be helpful, particularly for those areas where the extent of surgical margins can be limited during the excision. The study highlights diagnostic challenges, emphasizing the need for histopathology studies for definitive diagnosis of equine sarcoid.

Keywords

Iranian Journal of Veterinary Medicine

Articles in Press, Accepted Manuscript
Available Online from 06 October 2024

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