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

In a 6 months old, mixed breed, pig carcass an enlargement of the submandibular lymph node was observed. When sectioned miliary, granulomatous, nodular white lesions were observed.

Pig submandibular lymph node with granulomatous lesions.


What is your diagnosis? (53)


The histopathological study evidences a multifocal chronic necrotizing lymphadenitis, of bacterial origin. And, efectively, microbiological culture allowed to isolate Rhodococcus equi.

Growth from the direct culture that, later, was identified as R.equi.

Your answers are highlighted below.
Question 1
Which microorganism was isolated form this lesion?
Trueperella pyogenes
Mycobacterium avium
Rhodococcus equi
Nocardia spp.
Mycobacterium caprae
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