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Feline Squamous Cell Carcinoma: Role of Papillomavirus

Munday, J.S., M. Dunowska, and S. De Grey, Detection of two different papillomaviruses within a feline cutaneous squamous cell carcinoma: case report and review of the literature. N Z Vet J, 2009. 57(4): p. 248-51.

Squamous cell carcinomas (SCC) are among the most common malignant skin cancers of cats. There is evidence that papillomaviruses promote SCC development on sun-exposed areas in humans. About 100 papillomaviruses are known in humans, but only a few in dogs and cats. Previous reports have identified papillomaviruses in a certain proportion of canine SCC. This paper describes the identification (using PCR) of viral DNA from two distinct papillomaviruses in an invasive SCC on the nose of a 15-year-old cat. One of the two viruses has never been described before. It is also the first time that multiple papillomaviruses have been detected in a single cancerous lesion in a cat. This finding supports the association between papillomaviruses and SCC in cats. If papillomaviruses influence the development of feline SCC, new approaches to treatment may be possible. [MK]
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Related articles:
Munday, J.S., et al., Detection of papillomaviral sequences in feline Bowenoid in situ carcinoma using consensus primers. Vet Dermatol, 2007. 18(4): p. 241-5.
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Zaugg, N., et al., Detection of novel papillomaviruses in canine mucosal, cutaneous and in situ squamous cell carcinomas. Vet Dermatol, 2005. 16(5): p. 290-8.
>> PubMed Abstract