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Vet Ophthalmol. 2008 Jul-Aug;11(4):273-8. doi: 10.1111/j.1463-5224.2008.00634.x.

Heterologous penetrating keratoplasty for treatment of a corneal sequestrum in a cat.

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Department of Small Animal Clinical Sciences, School of Veterinary Medicine, Purdue University, West Lafayette, IN 47907-2026, USA.


A corneal sequestrum was diagnosed in an 8-year-old, neutered male Burmese cat. A heterologous penetrating keratoplasty (PK) (fresh canine corneal tissue) was performed to restore a clear visual axis. A heterograft was selected in order to decrease the risk of viral transmission as a screened donor was not available. One month postoperatively the graft was vascularized and opaque. The owner failed to return for recheck examinations until 16 months postoperatively at which time only a faint central nebula remained.

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