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

An inspector of a game meat processing facility submitted samples of a male, young adult wild boar with caseous lesions in the submandibular and tracheobronchial lymph nodes. Additionally the animal had mutiple punctifom calcified lesions in the lungs.

Which do you think is the infectious agent that was isolated from these samples?

 

Caseous lesions the submandibular lymph nodes.

Caseous lesions the submandibular lymph nodes.

Caseous lesions the tracheobronquial lymph nodes and punctiform lung lesions.

Caseous lesions the tracheobronquial lymph nodes and punctiform lung lesions.

 

What is your diagnosis? (39)

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The histopathological study showed lesions compatible with tuberculosis. The microbiological study yielded a positive culture of  Mycobacterium caprae. This mycobacteria also causes tuberculosis in cattle, goats and people. Wild boars can act as wild reservoir of the disease, jeopardizing the effectiveness of the eradication plans of this zoonosis in domestic animals. Therefore, given the difficulty of controlling the health status of wildlife is of great importance to analyze any granulomatous lesions identified in wild boars in game meat processing facilities. In the case of pigs M.bovis and M.avium may cause identical lesions to those shown here. Fungi and some types of bacteria should also been included in the differential diagnosis of such lesions.
Your answers are highlighted below.
Question 1
Which infectious agent do you think was isolated from these samples?
A
Nocardia spp.
B
Mycobacterium bovis
C
Mycobacterium avium subsp. avium
D
Mycobacterium caprae
E
Rhizomucor pusillus (a zygomicete)
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