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In a bovine carcass, older than 12 months, several papillomatoid-shaped formations adhering to the mucosa of the tongue are observed.

Multiple papilliform lesons on the lingual mucosa of a calf.

Lesion detail.

Lesion detail.


What is your diagnosis? (72)


The histopathological study showed lesions compatible with a papilloma, a benign neoplasm of epithelial cells. In cattle, it is usually caused by the infection of bovine papillomavirus, of which up to 16 types are known, each associated to different locations, type 12 bovine papillomavirus (BPV-12) is associated with the lingual papilloma. The types 1, 2 and 5 cause cutaneous fibropapiloma as described before in this blog.
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Question 1
What is your diagnosis?
Wooden tongue (Actinobacillosis)
Papilloma (Bovine papillomavirus types 4 or 12)
Fibropapilloma (Bovine papillomavirus types 1, 2 or 5)
Squamous cell carcinoma
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