PMC5626227_01
Left: Fusarium verticilloides mycetoma, Right:
Madurella mycetomatis mycetoma
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PMC5626227_01_1678-9946-rimtsp-S1678-9946201759055-gf01.jpg
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The patient reported some pruritus and pain on palpation of both dermatoses (Figure 1) There was a history of multiple trauma on both feet, without specifying which objects caused the lesions.
Direct exam of Fusarium grain (KOH, 10X)
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PMC5626227_01_1678-9946-rimtsp-S1678-9946201759055-gf02.jpg
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On culture, both causative agents, Madurella mycetomatis and Fusarium verticillioides (formerly F. moniliforme), were eumycetes. (Figures 2 and 3).
Direct exam of M. mycetomatis grain (KOH, 10X)
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PMC5626227_01_1678-9946-rimtsp-S1678-9946201759055-gf03.jpg
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On culture, both causative agents, Madurella mycetomatis and Fusarium verticillioides (formerly F. moniliforme), were eumycetes. (Figures 2 and 3).
Suppurative granuloma with a grain of Fusarium (H&E,
10X)
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PMC5626227_01_1678-9946-rimtsp-S1678-9946201759055-gf04.jpg
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Histopathological examination of the left foot biopsy showed grains, thick hyphae, brownish pigment inside; moreover, in the right foot biopsy, plentiful granules, with a pale whitish coloration, presenting eosinophilic appearance in some areas, were reported (Figures 4 and 5).
Black grain of M. mycetomatis (H&E, 10 X)
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PMC5626227_01_1678-9946-rimtsp-S1678-9946201759055-gf05.jpg
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Histopathological examination of the left foot biopsy showed grains, thick hyphae, brownish pigment inside; moreover, in the right foot biopsy, plentiful granules, with a pale whitish coloration, presenting eosinophilic appearance in some areas, were reported (Figures 4 and 5).