Mycetoma: A chronic progressive subcutaneous infection caused by species of fungi (eumycetoma), or actinomycetes (actinomycetoma). It is characterized by tumefaction, abscesses, and tumor-like granules representing microcolonies of pathogens, such as MADURELLA fungi and bacteria ACTINOMYCETES, with different grain colors.Madurella: A mitosporic fungal genus that causes MYCETOMA in humans. Madurella grisea and M. mycetomatis are the etiological agents.Nocardia Infections: Infections with bacteria of the genus NOCARDIA.Foot Dermatoses: Skin diseases of the foot, general or unspecified.Nocardia asteroides: A species of bacterium of the family NOCARDIACEAE, producing pulmonary infections in man.Actinomycetales Infections: Infections with bacteria of the order ACTINOMYCETALES.Mitosporic Fungi: A large and heterogenous group of fungi whose common characteristic is the absence of a sexual state. Many of the pathogenic fungi in humans belong to this group.Foot Deformities, Acquired: Distortion or disfigurement of the foot, or a part of the foot, acquired through disease or injury after birth.Sudan: A country in northeastern Africa. The capital is Khartoum.