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ABSTRACT

Primary ocular sarcomas were diagnosed following enucleation (12) or necropsy (one) in 13 cats over an eight year period. Twelve of the 13 cats were males; ages of affected animals were seven to 15 years, with a mean of 12. Five of the cats had a history of previous trauma and six others had a history of chronic uveitis. Morphologically the neoplasm was comprised of undifferentiated spindle cells and appeared to arise in the anterior uvea. The cancer was quite aggressive, with extension into adjacent tissues and/or distant metastases commonly encountered. Seven of 12 cats experienced confirmed tumour related deaths within months following enucleation and one was humanely destroyed at the time of original presentation.