Lobomycosis (Keloidal Blastomycosis) | Figure 4.29
A: “Brass knuckles”
in lobomycosis
(Courtesy of CDC)
B: Mycetoma
(Courtesy of Dr. Paul Getz)
C: Exophiala jeansellmei
(Courtesy of Sandra Arduin,
Michigan Department of
Community Health) |
(Figure 4.29A) - Lacazia loboi (formerly Loboa loboi); found in Amazon basin and Gulf of Mexico; associated with dolphins
- Presents as painless smooth-surfaced nodules (resembling keloids), ± ulceration, ± verrucous appearance
- Histology: round or lemon-shaped cells attached to one another with narrow connections (“chain of coins” or “brass knuckles”); cannot be cultured
- Treatment: surgical excision (antifungals ineffective)
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