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Peer-reviewed veterinary case report

Infiltrative corneal lesions resembling fibrous histiocytoma: clinical and pathologic findings in six dogs and one cat.

Journal:
Journal of the American Veterinary Medical Association
Year:
1976
Authors:
Smith, J S et al.

Plain-English summary

In a study involving six dogs and one cat, researchers found that these animals developed unusual growths in their eyes, specifically at the edge of the cornea (the clear front part of the eye). These growths were growing continuously, looked harmless, but often came back even after being surgically removed. The lesions were found to be a type of benign growth that involved inflammation and resembled a condition called fibrous histiocytoma. Notably, four of the six dogs were Collies. The study suggests that while these growths can be removed, they have a tendency to return.

Abstract

Infiltrating corneal lesions developed in 6 dogs and 1 cat. In each case, the site of origin appeared to be the corneal limbus. The lesions were characterized by continuous growth, a benign appearance, and a tendency to recur following excision keratoplasty. Each lesion was of a proliferative, inflammatory nature, histologically resembling fibrous histiocytoma. Of the 6 dogs in the series, 4 were Collies.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/184074/