Flashcards in Subcutaneous Mycoses Deck (44)
How are lesions/pathologic effects of subcutaneous mycoses able to spread throughout the body?
Resulting lesions of subcutaneous mycoses are all ___ lesions.
Causative agent of Rose gardener's disease
How do etiologic agents of subcutaneous mycoses enter the body?
false about Sporothrix schenkii
A. branching and septate hyphhae
B. hyphae arranged in flowerlike clusters
C. dimorphic fungus
D. with neuraminidase
Which is not a means of entry for Sporothrix schenkii?
A.animal or insect bites
C.contaminated wound dressings
Rose gardener's disease produces lesions usually found at (A) for adults and (B) for kids
(A) lower extremities
this type of sporotrichosis cases is found in ~75% of cases; it forms sporotrichiotic chancre
in chronic sporotrichosis, what happens to the lymph channels?
become hard and cord-like
most reliable way to diagnose S.schenkii
culture (thermal conversion)
T or F. Serology is still very helpful in sporotrichosis diagnosis.
these cause what specific mycoses?
what is mycetoma?
it is interconnecting and it drains sinuses
best way to diagnose mycetoma
false about Madurella morphology
A. white granules
B. air space
C. club-shaped hyphae
All these may cause what specific mycoses?
all EAs of chromoblastomycosis have what color of hyphae?
Pathogenesis of Chromoblastomycosis
sclerotic bodies may be found in what specific mycoses?
Rhiniocladiella aquaspersa & Fonsecaea pedrosoi : type of conidation
Which has smaller conidia?
Causative agent of Entomophthoromycosis
False about Conidiobolus coronatus
A.slow growing colony
Entomophthoromycosis - where does swelling begin?
in media w/o ____, spherical conidia with numerous branching hyphae are seen. for Conidiobolus coronatus
common about epidemiology of Lobomycosis,Entomophthoromycosis and Sporotrichosis
more prevalent in males
sequelae of germination of sporangiospores in nasal passages; may be caused by Rhizopus
Rhinocerebral mucormycosis may lead to what ocular complication?
inhalation of sporangiospores may lead to. __
morphology of mucormycosis EA @ H&E stain
infrequently septate, thin-walled hyphae, with irregular branching
causative agent of rhinosporidiosis. Can it be cultured?
What is rhinosporidiosis?
chronic granulomatous disease of mucocutaneous tissue.nose: main target
Lacazia loboi causes lobomycosis and is cross antigenic with ___
lesions of lobomycosis resemble what bacterial infection?
When Lacazia loboi is mounted on Periodic Acid Schiff stain, what can be seen?
yeast cells inside macrophages
Which geographic subpopulation has the most number of lobomycosis?
What do Alternaria and Curvularia cause? (specific type of mycoses)
False about EAs of Phaeohyphomycosis
A.dematiaceous with aseptate hyphae
B.black fungi in fruits
C.mycelia in morphology
Identify causative agent of Phaeohyphomycosis
* macro: yeastlike, with short aerial hyphae
* micro: rocket-shaped mature conidiogenous cells with tapering zones
T or F
Exophiala spinifera's optimal temperature for growth is 40 deg C
It does not grow at 40 deg C
Special medium where Cladophialophora bantiana grows
Potato Dextrose Agar
causative agent of cerebral phaeohyphomycosis
Enumerate causative agents of SubCT Phycomycosis