Agents of Opportunistic Mycoses and Yeast Infections Flashcards
(35 cards)
Identify the opportunistic mycoses.
“white cottony colony”
Cunninghamella
Identify the opportunistic mycoses.
- implicated in Rhinocerebral Zygomycosis
Mucor
Identify the opportunistic mycoses.
- black bread mold
- most common mucorales
- rhinocerebral mucormycosis
Rhizopus
Identify the opportunistic mycoses.
- documented in cutaneous infections
- confused with Aspergillus spp.
Syncephalastrum
Identify the opportunistic mycoses.
- smooth ovoid sporangium
- from diabetic patients with ketoacidosis
Absidia/Lichteimia
Identify the opportunistic mycoses.
- 2nd most isolated fungus after Candida spp.
Aspergillus
What is the mode of transmission for Aspergillus?
inhalation of fungal conidia
What is the predisposing factor of Aspergillus?
Neutropenia
What disease manifests fungus balls (aspergilloma)?
Aspergillosis
Identify the opportunistic mycoses.
- mycotic keratitis
- on contact lens users
- banana-shaped macroconidia
Fusarium
Identify the opportunistic mycoses.
- on brains
- IV drug abuse
Chaetomium
Identify the opportunistic mycoses.
- pineapple-shaped perithecia
- lemon-shaped ascospores
Chaetomium
Identify the opportunistic mycoses.
- laboratory contaminants
Cladosporium
Identify the agent of yeast infection.
- most notorious agent of yeast infection
Candida albicans
What refers to the infection of oral mucosa that indicates signs of immunosuppression (HIV patients)?
Oral thrush
Identify the agent of yeast infection.
- a major cause of opportunistic infection in AIDS patients
- soil contaminated by pigeon droppings, bat droppings, and decaying vegetation
Cryptococcus neoformans
Identify the agent of yeast infection.
- a major cause of opportunistic infection in AIDS patients
- soil contaminated by pigeon droppings, bat droppings, and decaying vegetation
Cryptococcus neoformans
What is the mode of transmission of Cryptococcus neoformans?
inhalation
Identify the agent of yeast infection.
- mucoid colonies
- encapsulated budding yeast cells
Cryptococcus neoformans
What is the specimen source for C. neoformans?
CSF
What is the stain used for the identification of C. neoformans?
India ink
Identify the agent of yeast infection.
- implicated in oral, pulmonary, skin/wound infections of immunocompromised hosts
- rectangular spores with rounded ends
- abundant arthroconidia
Geotrichum candidum
Identify the agent of yeast infection.
- has a bright salmon-pink color
- related to cryptococci
Rhodoturula spp.
What species inhabit the lungs of mammals?
Pneumocystis species
