By Gary M. White, MD
Courtesy Michael O. Murphy, MD
Tinea nigra refers to a specific fungal infection by Phaeoannellomyces werneckii.
This infection appears as a brown patch--thus the term. When the infection occurs on the palm, the term tinea nigra palmaris is used. Scraping with KOH shows hyphae.
A topical antifungal agent is sufficient.
Dermatology Online Journal 14(8).
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