my·ce·to·ma 
(mī′sĭ-tōmə)
(mī′sĭ-tōmə)n. pl. my·ce·to·mas or my·ce·to·ma·ta (-mə-tə)
A chronic, slowly progressing bacterial or fungal infection usually of the foot or leg, characterized by nodules that discharge an oily pus.
[Greek mukēs, mukēt-, fungus + -OMA.]
my′ce·toma·tous (-tōmə-təs, -tŏmə-) adj.