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Peer-reviewed veterinary case report

Imaging diagnosis--equine mast cell tumor.

Journal:
Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association
Year:
2007
Authors:
Cole, Robert et al.
Affiliation:
College of Veterinary Medicine · United States
Species:
horse

Plain-English summary

Mast cell tumors in horses are usually harmless lumps that can appear on the head, neck, trunk, or legs, often near joints but not affecting them. These tumors can be seen on X-rays as well-defined soft tissue masses with some mineral deposits. The Arabian breed seems to have a higher occurrence of these tumors. The best treatment is usually to surgically remove the tumor, which typically resolves the issue. In this case, the surgical removal was effective in treating the mast cell tumor.

Abstract

Equine mast cell tumors are typically benign solitary growths of the head, neck, trunk, or limbs. When involving the limbs, these masses tend to be adjacent to joints without involving them. In radiographs there is often a well-circumscribed soft tissue mass with granular mineralization. The Arabian breed appears to be over represented. Surgical removal is usually curative. In this report, we describe the diagnosis, clinical features, and management of mast cell tumors in the rear limb of a horse.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/17236357/