1. A chronic infection involving the feet and characterised by the formation of localised lesions with tumefactions and multiple draining sinuses. The exudate contains granules that may be yellow, white, red, brown, or black, depending upon the causative agent. Mycetoma is caused by two principal groups of microorganisms:
B. Eumycotic mycetoma is caused by true fungi, including species of madurella, Exophiala, Pseudallescheria, curvularia, Neotestudina, Pyrenochaeta, aspergillus, Leptosphaeria, Plemodomus, Polycytella, Fusarium, phialophora, Corynespora, Cylindrocarpon, Pseudochaetosphaeronema, Bipolaris, and Acremonium.