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Flashcards in mycology Deck (13)
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1
Q

Derymatophytoses 3 most common?

MET

A

Microsporum canis
Trichyphyton tonsurans
Epidermophyton floccosum

2
Q

Diagnosis

KOH :
Sabourad agar:
Wood lamp:

A
  1. Septate hyphae
  2. Hyphae and conidia
  3. Green fluorescence
3
Q

Pathogeneis of tinea versicolor?

A

Lipid degradation leads to acid production and disruption of MELANOCYTES

4
Q

Fungegmia in premature infants on IV lipid supplement?

A

M furfur

5
Q

Gardeners gets punctured by rose thorn what is most likely fungal organism

A

Sporothrix schenkii

6
Q

Coccidiodes immitis is a dimorphic fungi… which are?

A

Mold in soil

Spherule in tissue

7
Q

Transmission of coccidioides immitis

A

Inhalation of arthrospores

8
Q

Histoplasma capsulatum is transmitted via?

A

Inhalation of microconidia from bird droppings (black bird / starlings) or bat guano

9
Q

Pathogenesis of histoplasma infection.

A

Yeast hide inside macrophages

10
Q

Transmission of blastomyces dermatitidis

A

Inhalation of conidia

11
Q

Mariners wheel (mutiple yeast in wheel configuration) is seen in?

A

Paracoccidioides brasiliensis

12
Q

Candida albicans grow differently in serum and culture.

A

Serum: germ tubes
Culture: chlamydo-spores

13
Q

Diagnosis of cryptotoccus neoformans

X2

A
  1. India ink (yeast)

2. Latex agglutination test (CALAS)