Scopulariopsis spp.geicohands-like conidiophore
large, rough, annelloconidia (produced by annelides)
Aspergillus spp.
Conidiophores with phialoconidia
brush like
similar with Penicillium but has more volume & shorter conidia
Superficial Mycoses
- Disease:
- Pityriasis versicolor (patches altered pigment, versicolor & scaling)
- Seborrhoeic dermatitis (includes Follicular pityriasis & Dandruff)
causative agent: Malassezia furfur
hyphae & yeast (spaghetti & meat balls)
Basidiomycete
Lipophilic yeast (loves fat/lipid)
can be systemic => nutritional, supplementation, associate with catheters
- Tinea nigra
- causative agent: Exophiala wernekii (dimorphic, Ascomycete, yeast in culture; mold in lession)
- form brown to black spots
- tropical disease
- palm & soles
- young F>M
- Piedra: infect hair, formation of waxy small, firm masses on hair
- Black
- black nodules on scalp
- causative agent: Piedraia hortae ()
- tropical, M>F (swimmers)
- White
- white nodules on beard, mustache, genital region
- causative agent: Trichosporon beigelii (mold, septate, hyphae)
- temperate & tropical, south US, M>F
- Trichophyton
- Microsporum
- Edidermophyton
30-70% adults
incident increase with age
Hi, all so good to be back. I have a question, about scalp popping cottony looking things, some small and hard like pellets, some pop and are almost like popcorn. Not sure, is it yeast, sebum, or paper from mites
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