SCC: Not So Easy on the Eyes
Squamous cell carcinoma (SCC) is the most common neoplasm, or cancer, of the equine eye. In horses, an ocular SCC often appears raised, pink, rough, and irregular. Veterinarians describe classic SCC as having a distinctive “pink cauliflower” or “cobblestone” appearance. It can involve the cornea (the eye’s transparent outer coat), the junction between the cornea and the conjunctiva (the mucous membrane lining the eyelids and covering the white surface [sclera] of the eyball), the third eyelid, and the upper and lower eyelids. SCC is an epithelial (membranous) tumor and

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