Actinomycetoma (Madura Foot) | Figure 4.13
A: Actinomycosis
(Courtesy of Dr. Paul Getz)
B: Actinomycosis, chest
(Courtesy of Dr. Vandana ehta,
India)
C: Actinomycetoma, arm
(Courtesy of Dr. Paul Getz)
D: Green nail syndrome |
(Figure 4.13C) - Suppurative infection caused by bacteria (actinomycetoma) or fungus (eumycetoma)
- Bacterial infection due to Nocardia brasiliensis, Nocardia asteroides, Actinomadura madurae, Actinomadura pelletieri, Streptomyces somaliensis
- Presents as painless nodules at site of trauma (typically on foot) → increases in size with purulence, tumefaction, draining sinuses, and exudate containing grains
- Treatment: surgical debridement, trimethroprim-sulfamethoxazole (if sulfa-allergic, can use minocycline)
| | | | | | | Grain Color | | Organism | | | White | | Nocardia brasiliensis, Nocardia asteroides | | | Pink or cream | | Actinomadura madurae | | | Yellow to brown | | Streptomyces somaliensis | | | Red | | Actinomadura pelletieri |
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