A patient who is a recent immigrant from a tropical, remote, rural area with no medical care is now working with a group of migrant crop harvesters. He has a large, raised, colored, cauliflower-like ankle lesion. Darkly pigmented, yeastlike sclerotic bodies are seen in the tissue biopsy. Which of the following is the most likely diagnosis?
A) Actinomycotic mycetoma B) Chromoblastomycosis C) Eumycotic mycetoma D) Sporotrichosis E) Tinea nigra