Systemic Mycoses - Flashcards

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SYSTEMIC MYCOSES
WIKIBUGS FLASHCARDS


Adiaspiromycosis

Question Answer Article
What is the pathogenesis of an adiaspiromycosis infection?
  • Non-contageous
  • Pulmonary mycosis
  • Respiratory infection
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Which animals are mostly affected?
  • Rodents
  • Small animals
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Aspergillosis

Question Answer Article
Fill in the missing words about aspergillosis infections Aspergiollosis is found worldwide. It is widely present in nature and can colonise a wide range of substrates under different environmental conditions. It is abundant in hay, straw and grain which have heated during storage. Link to Answer Article
What are the clinical signs of infection in birds?
  • Diarrhoea
  • Listlessness
  • Pyrexia
  • Loss of appetite
  • Loss of condition
  • Convulsions
  • Death
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What do aspergillosis lesions look like in cattle?
  • Up to 2mm in diameter
  • Lesions contain asteroid bodies with a germinated spore in the centre
  • Miliary lesions in acute infections
  • Granulomatous and calcified lesions in chronic infections
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What diseases does aspergillosis infections cause in horses?
  • Gutteral pouch mycosis
  • Chronic obstructive pulmonary airway disease (COPD)
  • Mycotic abortion
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What do colonies look like on Sabauraud's Dextrose agar?
  • White colonies initially
  • Colonies turn green and then dark green
  • Flat and velvety
  • Colony colour varies with species
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How would you treat an infection of aspergillosis?
  • Surgery
  • Antifungal drugs
    • Ketoconazole
    • Nystatin
    • Amphotericin B
    • 5-fluorocytosine
    • Thiabendazole
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Blastomycosis

Question Answer Article
Describe the pathogenesis of a blastomycosis infection?
  • Respiratory infection
  • Lesions start in the lungs
  • Haematogenous dissemination
  • Can be found in lesions in the eyes, brain, bones, skin and genitalia
  • Fatal if not treated
  • Skin lesions may ulcerate forming granulomatous nodules
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What do colonies look like on Blood agar?
  • Cream coloured
  • Waxy
  • Crinkled
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What do colonies look like on Sabauraud's Dextrose agar?
  • Grey coloured
  • Moist
  • White cotton-like mycelium which turns tan, brown and then black
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How would you diagnose an infection?
  • Clinical signs
  • Complement fixation test
  • ELISA
  • Counterimmunoelectrophoresis
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How would you treat an infection?
  • Amphotericin B
  • Imidazoles
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