• | represent a broad spectrum of dematiaceous fungal infection |
• | but neither sclerotic bodies (chromomycosis) nor granules (mycetoma) are seen |
• | superficial phaeohyphomycoses – confined to stratum corneum |
• | black piedra – piedra hortae |
• | t. nigra – Pheoannellomyces Werneckii |
• | cutaneous phaeohyphomycoses – keratinized tissue e.g. alterneria alternaria culture = hand grenades onychomycosis |
• | subcutaneous phaeohyphomycoses – (phaeomycotic cyst – alterneria) = traumatic implantation; often contain a peanut butter-like material |
|