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Mycology E2, I
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Agent usually responsible for Apergillosis
A. Fumigatus
Apergillosis causes...
____ in chicks
____ in cattle
____ in horses
____ in dogs
B
rooder Pneunomnia
in chicks
Mycotic Abortion
in cattle
Gutteral pouch mycosis/keratomycosis
in horses
Nasal Aspergillosis
in dogs
Dx of Aspergillosis
Deep Scrape (KOH mount)
Radiograph
Rhinoscopy
Culture
Sereology test
Medium used to culture Aspergillosis
SAB
Tx for systemic aspergillosis in horses:
Itraconazole +
Local Ketoconazole
Tx for aspergillosis keratitis in horses:
Netamycin or Miconazole
Tx for nasal aspergillosis in dogs:
Clotrimazole
(Fluconazole 2nd
Yeast infections are found where on the body
Skin
MM
Three most important yeasts:
Candida
Cryptococcus
Malassezia
Other names for Candida albicans
Candidiasis
Moniliasis
Thrush
Candida albican infections occur where in the body?
Alimentary Tract
Infectious part of candidae, which is found in tissues
Hyphae
Candidiasis albicans causes...
___ in dogs and cats
___ in young animals
___ in poultry
___ in horses
Mycotic Stomatitis & Genital candidiasis
in dogs and cats
Enteritis
in young animals
Crop Mycosis (thrush)
in poultry
Metritis & vaginitis
in horses
Appearance of tissue infected with Candida albicans (macro)
white plaques
What induces Candida albican infections in young animals?
Prolonged Ab tx
Candida albicans takes on what form within the tissues
filamentous
Pathogenesis of Candida sp.
Adheres to mm
pseudohyphae invade epithelium
pseudomembranous ulcerative inflammation
Dx of Candida sp
KOH wet mount or Gram Stain (budding yeast)
Culture
Latex agglutination
Tx for Candida sp
Topical Nystatin
Oral Nystatin (GI overgrowth)
ketoconazole
What type of yeast is found in pigeon droppings?
Cryptooccus neoformans
Habitat for Cryptococcus neoformans
soil
pigeon droppings
Pathogenesis of Cryptococcus neoformans
Airborn
Nasal granulomas
paranasal sinuses
hematogenous dissemination
Symptoms for Cryptococcus neoformans
Sneezing
Snuffling
mucopurulent/hemorrhagic nasal discharge
Dx for Cryptococcus neoformans
Wet mount
Culture
Agg test
Tx for Cryptococcus neoformans
Itraconazole
Fluconazone
(keto not very effective)
Crytococcus virulence factor:
antiphagocytic capsule
What remains in yeast form while in hsot and in environment
Cryptococcus neoformans
Symptoms of Cryptococcus neoformans in cats
Lesions that spread from sinuses, to skin then eyelid
Capsular mass in brain= encephalitis
Malassezia pachydermatis causes...
____ in dogs
otitis externa & chronic dermtitis
Virulence factor of Malassezia pachydermatis
lipids that assist in attachment to cell wall
Dx of Malassezia pachydermatis
Gram Stain
Wet mount
SAB and BA cultures
Tx for Malassezia pachydermatis
Topical Nystatin or Clotrimazole
Ketoconazole for oral dermatitis
Location of Malassezia pachydermatis infections (on the body):
Abd
interdigits
Author
HLW
ID
67846
Card Set
Mycology E2, I
Description
Mycology E2, I
Updated
2011-03-12T01:20:24Z
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