Orbital fibroma in a horse |
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Authors: | Colitz CMH Gilger BC Davidson CP Ross MG |
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Institution: | Department of Clinical Sciences, North Carolina State University, College of Veterinary Medicine, Raleigh, NC 27606, USA |
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Abstract: | An 11-year-old American Quarterhorse gelding presented for moderate periorbital swelling and exophthalmia of the left eye. The menace response, and direct and consensual pupillary light reflexes were absent in the left eye. Conjunctival hyperemia, blepharedema, a mydriatic pupil, resistance to retropulsion, and an increased intraocular pressure were present. A soft-tissue mass could be palpated in the left retrobulbar space by pressing onto the orbit over the supraorbital fossa. Incomplete surgical resection of the mass was performed and histopathologic evaluation was consistent with a fibroma. Normal pupillary light reflexes and vision returned following surgery. The mass has not recurred 14 months after surgery. |
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Keywords: | equine exophthalmos fibroma orbital neoplasia retrobulbar mass |
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