- M. furfur - P. hortai - T. beigelii - P. werneckii

MYCOLOGY Flashcards by Janah Belaguin

Fluoresces on Wood’s lamp

Agent of dandruff

M. canis

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Medium for dermatophytes

Mycosel

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Red color

Teardrop conidia

T. rubrum

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Hair baiting test

T. mentagrophytes

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Favic chandelier ANTLER

T. schoenleinii

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Coenocytic (aseptate)

Phycomycetes/Zygomycetes

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Ascospores

S. cerevisiae

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(+) Nigerseed/Birdseed
(+) Urease
(+) India ink

C. neoformans

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Arthrospores

CAT Geo
Trichosporon beigelii
Aureobasidium
Coccidioides
Geotrichum candidum

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Unsuitable for fungal culture

Suitable for bacteria and viruses only

Swab

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Thrush
Diaper rash
Moniliasis

C. albicans

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Fungal cell wall

Chitin

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Fungal cell membrane

Ergosterol

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Reproductive

Spores

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Aseptate hyphae

Sporangiophore

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Septate hyphae

Conidiophore

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Sexual spores

Ascospores
Basidiospores
Oospores

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Asexual spores

Chlamydospores
Blastospores
Conidia (macro/micro)
Arthrospores

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budding off (yeasts)-

dermatophytes-

barrel-shaped, produced from fragmentation of mycelium-

rounding terminal hyphae or intercalary (within)-

Blastospores
Conidia (macro/micro)
Arthrospores
Chlamydospores

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Stains the chitin (cell wall)

Green

Calcofluor white

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Rice medium

(+) M. canis

(-) M. audouinii

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Chlamydospore of C. albicans

Cornmeal Tween 80 agar

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(+) T. mentagrophytes

(+) C. neoformans

Urea agar

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Superficial Mycoses

M. furfur
P. hortai
T. beigelii
P. werneckii

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Ptyriasis versicolor (An-An)

M. furfur

PAS: “Spaghetti and meatballs”

M. furfur

Black piedra Dematiaceous Ascospores (sexual)

P. hortai

White piedra Cream colored Arthrospores (asexual)

T. beigelii

``` Tinea nigra Brownish spot (dark pigmentation) ```

Phaeoannelomyces (Exophiala) werneckii

Keratinophilic | Tinea or ringworm

Dermatophytes

Endothrix:

- T. tonsurans: dandruff (Tinea capitis) | - T. violaceum

Ectothrix:

- M. gypseum - M. canis - T. verrucosum

Microconidia: tear-drop shaped (side) Macroconidia: pencil-shaped

T. rubrum

Microconidia: grape-like (cluster)

T. mentagrophytes

(+) Hair penetration test: V-shaped | (+) Urease

T. mentagrophytes

hiamine-requiring Black dot tinea capitis Microconidia: Balloon-shaped Colony: Creamy white w/ crater-like depression

T. tonsurans

Cause Favus: chronic hair infection

T. schoenleinii

Microconidia: clavate/pyriform Macroconidia: rat-tail/string-bean-shaped

T. verrucosum

Macroconidia: spindle-shaped, echinulate | (+) Wood’s lamp

M. canis

Geophilic Macroconidia: oblong (ellipsoidal) w/ blunt/rounded ends (-) Wood’s lamp

M. gypseum

``` Anthropophilic Tinea capitis (old) ```

M. audouinii

Macroconidia: club shaped in pairs

E. floccosum

Dutch pants fuseaux

E. floccosum

Mold form: flowerette/daisy-like conidia | Yeast form: Cigar-shaped (asteroid) bodies

S. schenckii

Subcut. mycoses | Madura foot agents

- Chromoblastomycosis agents - Rhinosporidium seeberi - Loboa loboi

most common cause of Maduromycosis: mycetoma

P. boydii

Cleistothecia | Teleomorph/sexual form

P. boydii

Chromoblastomycosis agents

Phialophora verrucosa-vase Fonsecaea pedrosoi-short chain Cladosporium carrionii-long chain branching

Brown sclerotic bodies (Medlar bodies)

Chromoblastomycosis

Tissue form: Multiple budding cells in chain (Sampaloc-like/Longganisa-like)

L. loboi

Dimorphic MOT: inhalation of spores (mold) – infectious Specimen: Sputum

Systemic Mycoses

- North American blastomycosis - Chicago disease - Gilchrist disease

B. dermatitidis

Single-budding yeast w/ broad based (double centered) – diagnostic Mickey mouse cap

B. dermatitidis

- South American Blastomycosis | - Lutz Splendore-Almeida disease

P. brasiliensis

Yeast form: Multiple budding yeast resembling Mariner’s wheel

P. brasiliensis

RES parasite Agent of Darling’s disease “Arise of Tutankhamen’s tomb”

H. capsulatum

Double cell Figure of 8 Causes African histoplasmosis

H. duboisii

Tuberculate macroconidia (resembles H. capsulatum BUT MONOMORPHIC)

Sepedonium

- Desert fever | - San Joaquin Valley fever

C. immitis

Mold form: Barrel-shaped arthroconidia (200μm) | Yeast form: spherule w/ endospores

C. immitis

(Old: Moniliasis): cutaneous, oropharyngeal (white patches

Candidiasis

India ink preparation = CSF, pulmonary tissue

Cryptococcus (Filobasidiella) neoformans

``` = (+) Inositol = (+) Urease = (-) NO3 assimilation = yellow = (+) Phenoloxidase = makes the colonies black = (+) Phospholipase ```

Cryptococcus (Filobasidiella) neoformans

Resemble C. neoformans Encapsulated pink colonies, (+) Urease, (+) NO3 assimilation

Rhodotorula

Agents: Zygomycetes

- Rhizopus - Absidia - Mucor

Sickle or canoe shaped, multiseptate macroconidia

Fusarium