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

What are these lesions observed in the kidneys of a 2.5 years old sow carcass?

 

Reddish nodular lesions in the kidney of a sow.

 

What is your diagnosis? (41)

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  The animal showed white nodular lesions also in teh lever and attached to the peritoneum, particularly on the diaphragm.

White nodular lesions adhered to the peritoneum.

  Histopathology revealed a neoplastic lymphoid proliferation identified as B cells with immunohistochemistry  (CD3 negative, CD20 positive). The neoplasm was thus classified as a multicentric lymphoma of B cell origin. The red colour of the renal nodules corresponded to haemorrhages on the perifery of the tumoral nodules in this organ.
Your answers are highlighted below.
Question 1
What is your diganosis?
A
African swine fever
B
B cell lymphoma
C
PDNS
D
Hemangiosarcoma
E
Mycobacterium avium granulomas
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