Majbritt M E Larsen, Anna Eriksson, Joseph A Impellizeri
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Electrochemotherapy with bleomycin for bilateral ocular squamous cell carcinoma in a horse.
Objective: To describe the procedure and outcome of electrochemotherapy (ECT) with bleomycin as a first-line treatment for bilateral ocular surface squamous neoplasia (OSSN) in the eye of a horse.
Animal studied: A client-owned 5-year-old Haflinger gelding with limbal-conjunctival squamous cell carcinoma.
Procedures: During general and local anesthesia, injection of bleomycin in the ocular tumor was followed by electroporation, applied with a 15 mm needle electrode, needles held parallel to the ocular surface.
Results: Treatment with ECT resulted in therapeutic electric pulses and complete tumor response with no recurrence during follow-up. Tumor toxicity as a result of treatment was mild, with no adverse effect to normal tissue.
Conclusions: In this case of bilateral ocular tumors, staged ECT with bleomycin was shown to be a safe and effective treatment with complete tumor remission and no recurrence during the observation period. The result suggests ECT as a possible treatment in ocular tumors, with further research recommended.
期刊介绍：
Veterinary Ophthalmology is a peer-reviewed, international journal that welcomes submission of manuscripts directed towards academic researchers of veterinary ophthalmology, specialists and general practitioners with a strong ophthalmology interest. Articles include those relating to all aspects of:
Clinical and investigational veterinary and comparative ophthalmology;
Prospective and retrospective studies or reviews of naturally occurring ocular disease in veterinary species;
Experimental models of both animal and human ocular disease in veterinary species;
Anatomic studies of the animal eye;
Physiological studies of the animal eye;
Pharmacological studies of the animal eye.
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