A man is suffering severe foot pain in the area of what looks like a large wart. He reports he has had the wart for some time, and the pain and swelling have developed slowly. A sample from the lesion shows that the pus contains large cells that stain a golden brown color. The man is likely suffering from:

Chromoblastomycosis.

Explanation:

This is a fungal infection  that usually affects the   skin and subcutaneous layers of the limbs..It can  expand to other parts of the skin  through  openings It gain entry through the thorns and  blister in the skin to  reach the subcutaneous layers. The affected limbs usually swell up to form elephantiasis, with frequent itching.

it is common in rural areas especially in the tropics.

The treatment procedure is lengthy and difficult, it involved the use of medication  and surgery to remove the infected tissue.