At the end of the post you can vote for the right diagnosis!

In a 10 months old, cross bred calf, multiple wart-like lesions were observed in the snout as large as 3 cm in diameter.

Calf snout with multiple nodular confluent lesions.

Calf snout with multiple nodular confluent lesions.

Histologically (top to bottom) marked orthokeratotic hyperkeratosis,  epithelial hyperplasia and intense connective tissue proliferation were observed.

Histologically (top to bottom) marked orthokeratotic hyperkeratosis, epithelial hyperplasia and intense connective tissue proliferation were observed.

What is your diagnosis? (18)

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The described lesions are indicative of a cutaneous fibropapiloma, it is a bening cutenaous neoplasm caused by infection with a papillomavirus. In cattle it is observed usually in young animald up to 2 years of age and it usually regresses spontanaeously a year after its onset.


Your answers are highlighted below.
Question 1
A
Squamous cell carcinoma
B
Multiple tick parasitaion
C
Cutaneous fibropapiloma
D
Ringworm
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