MYCOSES

Question 1

• The fungal infection is in the OUTERMOST part of the skin (KERATIN)
• NO immune response

Answer 1

Superficial Mycoses

Question 2

Superficial Mycoses Organisms: (MHPT)

Answer 2

Malassezia furfur (Skin)
Hortaea werneckii (Skin)
Piedraia hortae (Hair)
Trichosporon beigielli (Hair)

Question 3

Malassezia furfur (Skin)
Infection: ____ ____
- Pale patches, dry scaly skin
- Fawn -colored spots in fair skin

Answer 3

Tinea versicolor

Question 4

T/F
Tinea Versicolor is also known as Pityriasis versicolor

Answer 4

TRUE

Question 5

Malassezia furfur (Skin)
Lab Diagnosis:
- ____ under the microscope
- ____ fluorescence (+)
- ____

Answer 5

Spaghetti and meatballs
Wood’s lamp
Lipophilic

Question 6

Hortaea werneckii (Skin)
Infection: ___ ___
- brown to black non-scaly macules in on palms/soles

Answer 6

Tinea nigra

Question 7

Hortaea werneckii (Skin)
Lab Diagnosis

Answer 7

Greenish black colonies

Question 8

Piedraia hortae (Hair)
Infection: ____ ____
- brown to black crusts/nodules on hair

Answer 8

Black Piedra

Question 9

Piedraia hortae (Hair)
Lab DIagnosis:
- ____ containing ____ ascospores
- ____ restricted colonies

Answer 9

• Asci containing 8 ascospores
• Brown restricted colonies

Question 10

Trichosporon beigielli (Hair)
Infection: ____ ____
- light brown soft nodules

Answer 10

White Piedra

Question 11

Trichosporon beigielli (Hair)
Lab Diagnosis

Answer 11

• Arthroconidia
• Yeast-like colonies

Question 12

• Outer-inner part of the skin
• Can elicit immune response

Answer 12

Cutaneous Mycoses

Question 13

Cutaneous Mycoses Infections (FCBCCPU)

Answer 13

• Tinea favosa
• Tinea Capitis
• Tinea barbae
• Tinea corporis/ Tinea imbricata
• Tinea cruris
• Tinea pedis
• Tinea unguium (onychomycosis)

Question 14

• Body part Infected: Scalp
• Organism: T. schoenleinii

Answer 14

Tinea favosa

Question 15

• Body part Infected: Scalp
• Organism: M. audouinii, M. ferrugineum, T. tonsurans, T. violaceum

Answer 15

Tinea Capitis

Question 16

• Body part Infected: Beard
• Organism: Trichophyton

Answer 16

Tinea barbae

Question 17

• Body part Infected: Body
• Organism: Trichophyton, Microscporum, T.concentricum

Answer 17

Tinea corporis/ Tinea imbricata

Question 18

• Body part Infected: Groin
• Organism: Epidermophyton

Answer 18

Tinea cruris

Question 19

• Body part Infected: Feet
• Organism: Trichophyton, Epidermophyton

Answer 19

Tinea pedis

Question 20

• Body part Infected: Nails
• Organism: Trichophyton, Epidermophyton

Answer 20

Tinea unguium (onychomycosis)

Question 21

• The fungi already disseminated in the body that can affect internal organs and deep tissues of the body
• All fungi under systemic are dimorphic (has both yeast and mold phase)

Answer 21

Systemic Mycoses

Question 22

Systemic Mycoses Organisms (BHCPS)

Answer 22

• Blastomyces dermatitidis
• Histoplasma capsulatum
• Coccidiodes immitis
• Paracoccidioides brasiliensis
• Sporothrix schenckii

Question 23

Ecology: River valleys, basins, soil
Disease: Gilchrist/Chicago/North American, blastomycosis

Answer 23

Blastomyces dermatitidis

Question 24

Ecology: Bird/bat guano, alkaline soil
Disease: Cave/Spelunker’s/Darling’s histoplasmosis, reticuloendothelial cytomycosis

Answer 24

Histoplasma capsulatum

Question 25

Ecology: Soil Disease: Desert bumps (erythema nodosum), San Juan Valley fever (erythema multiforme), Desert rheumatism

Answer 25

Coccidiodes immitis

Question 26

Ecology: Soil Disease: South American paracoccidioidomycosis, Lutz-Spledore-Almeida disease, Brazilian mycosis, paracoccidioidal granuloma

Answer 26

Paracoccidioides brasiliensis

Question 27

Disease: Sporotrichosis, Rose Handler’s disease

Answer 27

Sporothrix schenckii

Question 28

Organism Mold: OVAL conidia on short conidiophores Yeast: BROAD-based blastoconidia (budding yeast)

Answer 28

Blastomyces dermatitidis

Question 29

Organism Mold: ROUND, LARGE, tuberculate macroconidia Yeast: SMALL OVAL yeast

Answer 29

Histoplasma capsulatum

Question 30

Organism Mold: BARREL-shaped arthroconidia (Coccidiodes, Geotritchum, Trichosporon) Yeast: SPHERULES containing endospores

Answer 30

Coccidioides immitis

Question 31

Organism Mold: STERILE, hyphae chlamydoconidia (rounding up) Yeast: "mariner's wheel", "mickey mouse cap"

Answer 31

Paracoccidioides brasiliensis

Question 32

Organism Mold: SPARSE green aerial hyphae, REDDISH-BROWN vegetative hyphae Yeast: OVAL to CYLINDRICAL yeastlike

Answer 32

Penicillium marneffei

Question 33

Organism Mold: Conidia in ROSETTE/ SLEEVE pattern Yeast: CIGAR-shaped

Answer 33

Sporothrix schenckii