Topical 5‐fluorouracil as an adjunct treatment in equine corneolimbal squamous cell carcinoma

Summary An 11‐year‐old crossbreed mare was presented with a nodular, pink mass at the temporal corneolimbal junction of right eye. Histopathology confirmed diagnosis invasive squamous cell carcinoma. The underwent lamellar keratectomy and conjunctivectomy under general anaesthesia, followed by adjunctive topical chemotherapy 1% 5‐fluorouracil solution for 10 days post‐operatively. Adverse effects included moderate conjunctival inflammation exuberant granulation tissue formation surgical site, responding to debulking corticosteroid application. No regrowth present 12 months following discharge. This report describes successful use 5‐FU as an treatment equine ocular