12 岁斗牛犬肩部病毒诱发性鳞状乳头状瘤

12 岁斗牛犬肩部病毒诱发性鳞状乳头状瘤

Clinical photograph of the shoulder region of a 12-year-old Bulldog with viral-induced squamous papilloma. Many of these warts or verrucae are caused by a DNA-containing papovavirus.

Courtesy of Dr. Alice Villalobos.