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Periocular sarcoid with bone invasion in a Thoroughbred mare
Andres Giraldo1, Chantale L Pinard1, Brandon L Plattner1
1Department of Clinical Studies (Giraldo, Pinard, Dubois), Department of Pathobiology (Plattner), Ontario Veterinary College, University of Guelph, 50 Stone Road East, Guelph, Ontario N1G 2W1.
Summary
Equine periocular sarcoids can invade underlying bone, complicating surgical planning and indicating tumor aggressiveness. This case highlights the challenges of bone invasion in equine sarcoid treatment.
Area of Science:
- Veterinary Oncology
- Equine Surgery
- Dermatopathology
Background:
- Equine periocular sarcoids are common skin tumors in horses.
- Surgical excision is a primary treatment modality.
- Bone invasion by periocular sarcoids is not frequently reported.

