SCENARIO #6

Here is a cat with a draining wound that will not heal. The cat was presented to you last week with an abscess on its head. The cat is an outside, intact male that was missing for a week previous to being presented to you last week. You lanced and drained the abscess and sent the cat home on broad-spectrum antibiotics. He is back again today because the wound is not getting any better (actually it is getting worse). Which of the following differentials is zoonotic?

Sporothrix
Neoplasia
Demodicosis
Mycobacterial disease
Phaeohyphomycosis

Here is the cytology of the fluid from the draining wound:

Now do you know what it is?

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