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Multicentric squamous cell carcinoma in situ (feline Bowen disease), 19-year-old cat
bowen-disease-cat-villalobos-sized
Multicentric squamous cell carcinoma in situ (feline Bowen disease), 19-year-old cat

    Clinical photograph of a 19-year-old cat with multicentric squamous cell carcinoma in situ (feline Bowen disease). Lesions first appeared on this cat's face, then on the limbs and body. Lesions were multiple, black or brown, nonpruritic hyperkeratotic plaques and papules.

Courtesy of Dr. Alice Villalobos.