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Table 1 Differential characteristics between eumycetoma and actinomycetoma

From: Mycetoma in a non-endemic area: a diagnostic challenge

  Eumycetoma Actinomycetoma
Epidemiology Africa, India Latin America
Clinical course Less aggressive More aggressive
Grain Black, yellow, white Yellow, white, red, pink
PAS Positive Negative
Gram Negative Postive/Negative
Ziehl Nielson Negative Positive/Negative
Filaments 2-5 μm <1 μm
Treatment Antifungal (azole) + surgery Antibacterials