Flashcards in 9. Dimorphic Fungi Deck (45):
Primary infection of dimorphic fungi
How are tissue specimens processed?
How are pleural fluid and CSF specimens processed?
How are mucus and pus specimens processed?
Easiest and quickest method for microscopic examination for dimorphic fungi
KOH preparation (+ Calcofluor)
Stains used for in situ staining
Culture media for primary isolation of dimorphic fungi
Incubation temp of media for primary isolation of dimorphic fungi
Media used for subculture for dimorphic fungi
MOT of dimophic fungi
Immune response to dimorphic fungi
Cellular immune response
True/False. Dimorphic fungi are not strong antigens.
Explain dimorphic fungi antibody detection
Positive: exposure (not necessarily infection)
AIDS patients will be negative
What is detected in the expantigen test for dimorphic fungi?
Cell free extracts of the fungus
Used to react with known antisera in the exoantigen test for dimorphic fungi
Material extracted from mold phase
Causative agent of Gilchrist's disease
Disease caused by B. dermatitidis
2 types Blastomycosis
- chronic cutaneous blastomycosis
- systemic blastomycosis
Most common manifestations of systemic blastomycosis
- bone lesions
After how many days will yeast forms of B. dermatitidis appear on enriched media?
After 10-15 days
Associated with Valley fever
The most virulent of all agents of human mycoses
Disease caused by C. immitis
Primary pulmonary coccidiodomycosis
After how many days will C. immitis appear on SDA/SABHI?
Arthroconidia of C. immitis appear on SDA/SABHI after
Has whote and cottony colonies (cobwebs)
Has barrel-shaped arthroconidia
Associated with disjuncture cells
A soil saprobe with high nitrogen content
Associated with Spelunker's disease
Disease caused bu H. capsulatum
Cell where H. capsulatum organisms can be found
Inside macrophages (histiocytes)
After how many days will the yeast form of H. capsulatum appear?
After 10-15 days
Has macroconidia that become tuberculate with age
A soil saprobe of acid soil
Disease caused by P. brasiliensis
Mold colony of P. brasiliensis mature in
Has a mariner wheel-shaped yeast form
Associated with Rose gardener disease
Disease caused by S. schenckii
Mold form of S. schenckii develops in
Has hyphae frequently found as ropes
Has conidiophores that produce multiple conidia in flowerets arrangement
Has a yeast form that is cigar-shaped