Peer-reviewed veterinary case report
Rhabdomyoma tumors on the ear pinna in adult cats
By Roth, L·Published in Journal of comparative pathology·1990·Department of Comparative and Experimental Pathology, United States·View original on PubMed →
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Original publication title: Rhabdomyoma of the ear pinna in four cats.
- Species:
- cat
Plain-English summary
Four adult cats with white ears were found to have raised, red-purple lumps on their ear flaps. These lumps, known as rhabdomyomas, were non-ulcerated and were surgically removed. After surgery, none of the cats experienced a recurrence of the tumors over the following 2 to 3 years. While the exact cause of these tumors is unclear, the similarities among the cases suggest that there may be common factors involved in their development.
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Abstract
Four cases of rhabdomyoma of the ear pinna in white eared adult cats are reported. The lesions were raised, non-ulcerated, red-purple, discoid nodules on the convex surface of the pinna. Histologically, the nodules consisted of interlacing bundles of spindle-shaped cells that occasionally had cross striations. Lesions have not recurred 2-3 years following surgical excision. Although a specific cause for tumour development was not found, the similarity among these cases suggests that common factors played a role in the development of the lesions.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/1700987/