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Mycetoma is a term for a chronic subcutaneous infection, a type of granulomatous infection. It is characterized by a triad of subcutaneous swelling, discharging sinuses, discharge containing granules.


  • the causative organism is believed to enter the body through minor trauma
  • the disease begins as a subcutaneous swelling usually of foot,which enlarges and burrows into deeper tissues producing charecteristic abscess.the abscess burst with the formation of chronic multiple sinuses discharging viscid,seropurulent fluid containing granules.
  • The colour and consistency of the granules vary with different causatibe agents.

Laboratory Diagnosis[edit]

Diagnosis is done by examination of granules.


Actinomycotic mycetoma usually respond well to sulphonamides and antibiotics, but mycotic mycetoma may require amputation.