This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Actinomycetes, Subject name: Microbiology
A patient with sulphur granules discharging from sinus, suggestive of infection with - 
Select and explain. 
A. Staphylococcus, B. H ducryei, C. Mycetoma, D. Sporotrichosis
C: Mycetoma
Answer: C: Mycetoma 
Explanation: Ans. is 'c' i.e., Mycetoma o Mycetoma are chronic, slowly progressive infections of the subcutaneous tissue usually of the foot caused by a number of Actinomycetes and filamentous fungi.o The disease usually begins as a small subcutaneous swelling of the foot, which enlarges, burrowing into deeper tissues and tracking to the surface as multiple sinuses discharging viscid, seropurulent fluid containing granules.