Fungi According to Types of Mycoses (Superficial and Cutaneous) Flashcards
Cream-colored, wrinkled colonies on SDA @ RT in 5 days
Trichosporon beigelii
Lyophilic, Wood’s Light (+)
Creamy, yeastlike colonies on SDA with olive oil (2-4 days @ 30*C)
Malassezia furfur
Spaghetti and meatballs appearance
Malassezia furfur
Former name and other name of Exophiala werneckii
Former: Cladosporium werneckii
Other: Phaeoannellomyces werneckii
Black, yeasty colonies with olive-green mycelium on SDA @ RT
Exophiala werneckii
Rough-walled macroconidia: • thick-walled • spindle-shaped • large and multiseptated • curved tip and knobby projections
Sparse microconidia:
• clavate, smooth-walled
• laterally attached to hyphae
Microsporum canis
Black piedra
hard, brown-black crusts on outside of hair shaft
Piedraia hortae
Cigar-shaped macroconidia:
• numerous
• thick-walled, multi-septates
• spiny surfaces and rounded tips
Sparse microconidia:
• clavate, smooth-walled
Microsporum gypseum
White piedra
Light brown, soft nodules on beard or mustache
Trichosporon beigelii
Hyaline hyphae, blastoconidia and arthrospores (when grown on Cornmeal-Tween 80 Agar)
Trichosporon beigelii
Tinea capitis (gray-patch ringworm)
Tinea corporis
Anthrophilic
Wood’s light (+)
Microsporum audouinii
Tinea nigra palmaris (tropical infection involving palms of hand – black to brown scaly patches)
Exophiala werneckii
Tight clusters of spherical, yeastlike cells with hyphal fragments
Malassezia furfur
Rare macroconidia:
• thin-walled, smooth, cigar-shaped
Microspores:
• numerous, small, globose in grapelike clusters
Coiled, spiral hyphae
Trichophyton mentagrophytes
Fluffy or granular, white to pink colonies
Reverse: cherry-red or wine-red on Cornmeal Agar
Trichophyton rubrum
Clue: Ruby (red) = Rubrum