Subcutaneous and Systemic Flashcards
dark fungi that form melanin
Dematiaceous
specialized hyphal branch that produces successive conidia
Conidiophore
an open-ended, tubular or flask-like conidiophore that produces phialoconidia
Phialides
involve the dermis and subcutaneous tissue
Subcutaneous mycoses
often result from traumatic skin puncture
Subcutaneous Mycoses
Classification of Subcutaneous Mycoses
Chromoblastomycosis
Mycetoma
Phaeohyphomycosis
Sporotrichosis
General Characteristics of Subcutaneous Fungal Species
- dark color
- found in soil
- growth rate: 1-4 weeks
- septated hyphae
Mode of transmission of Subcutaneous Mycoses
acquired by mechanical means (trauma)
Fungal species of Chromoblastomycosis
Forsecaea species, Phialoph Verrucosa, Cladosporium carrionii, Exophiala jeanselmi
Fungal species of Mycetoma
Pseudoallescheria, Acremonium, Curvularia, Madurella
Classified to be a dimorphic fungi
Sporothrix schenkii
most commin isolated agent of Chromoblastomycosis
Forsecaea Pedrosoi
Fungal Species of Sporotrichosis
Sporothrix schenkii
Classification of Subcutaneous Mycoses
Chromoblastomycosis
Mycetoma
Phaeohyphomycosis
Sporotrichosis
flask or cup-shaped fungi
Phialophora verrucosa
Fungal species of Chromoblastomycosis
Fonsecaea pedrosoi
Phialophora verrucosa
Cladoporium carrionii
Exophiala jeanselmi
Fungal species of Phaeohyphomycosis
Bipolaris, Curvularia, E. jeanselmi, W. dermatitis
Fungal species of Mycetoma
Pseudoallesheria
Acremonium
Curvularua
Madurella
Fungal species of phaeohyphomycises
Bipolaris
Curvularia
Exophiala jeanselmi
W. dermatidis
Caused by dematiaceous fungi
Chromoblastomycosis
Fungal species of Sporotrichoses
Sporothrix schenkii
Classified as Dimorphic Fungi (Subcutaneous)
Sporothrix schenkii
Lesions of Chromoblastomycosis
Cauliflower-like lesions with secondary infection and ulceration
Most commonly isolated agent of Chromoblastomycosis
Forsecaea pedrosoi
Predominant form of Chromoblastomycosis
Dark, septated hyphae with primary conidia on tip
flask or cup-shaped fungi
Phialophora verrucosa
dome-shaped fungi
Phialophora verrucosa
looks like “wheat”/palay
Cladosporium carrioni
treatment of Chromoblastomycosis
no really good cure but it can be
Thiabendazole
or
Itraconazole
Tumor-like deformaties of subcutaneous tissue with abscesses draining sinuses and granulomatous pus
Mycetoma
2 types of mycetoma
Actinomycotic (Bacterial)
Eumycotic (Fungal)
results from infection with aerobic Actinomyces
Actinomycotic mycetoma
examples of Actinomycotic mycetoma
Nocardia, Actinomadura, streptomyces
associated with several fungi species that have septate hyphae
Eumycotic mycetoma