Subcutaneous Mycoses - Flashcards

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SUBCUTANEOUS MYCOSES
WIKIBUGS FLASHCARDS


Chromoblastomycosis

Question Answer Article
How do chromoblastomycosis infections spread in the host?
  • By the lymphatic system
  • Disseminates to other tissues and organs
Link to Answer Article


Chromomycosis

Question Answer Article
Which species do the majority of chromomycosis infections occur in?
  • Dogs
  • Horses
  • Humans
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What clinical signs would you see in an infected animal?
  • Regional granulomatous lymphadenitis
  • Nodular and ulcerating lesions of the skin on the feet, legs and occasionally eyes
Link to Answer Article


Epizootic lymphangitis

Question Answer Article
In which species does infection occur and which fungi is responsible?
  • Equidae
  • Histoplasma capsulatum var. farciminosum
Link to Answer Article
How is epizootic lymphangitis spread between animals?
  • Biting flies
  • Direct contact
  • Indirect contact
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Which organs/bodily systems are commonly affected by epizootic lymphangitis and where do clinical signs usually present on the body?
  • Lymphatic system
  • Skin
  • Ulcerative lesions usually occur on the neck and limbs
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How would you treat and prevent infection?
  • Amphotericin B, haymycin or potassium iodide
  • Vaccination
  • Injection of hyperimmune serum around a lesion
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Eumycotic Mycetoma

Question Answer Article
What type of lesion does eumycotic mycetoma cause?
  • Granulomatous abscesses
Link to Answer Article
Which species are usually affected and are infections common or rare?
  • Dogs
  • Horses
  • Cats
  • Cattle
  • Infection is rare
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How would you treat an infection?
  • Amphotericin B
  • Ketoconazole
  • 5-fluorocytosine
Link to Answer Article


Hyphomycosis

Question Answer Article
Which fungi causes hyphomycosis?
  • Hyphomyces destruens
Link to Answer Article
Which species are affected and in which countries is hyphomycosis most prevalent?
  • Horses
  • Tropical and semi-tropical countries
Link to Answer Article
Describe the pathogenesis?
  • Progressive disease
  • Granulating and ulcerating lesions on the legs and lower body
  • Lesions grow rapidly
  • Lesions cause extreme debility
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How are hyphomycosis infections treated and is it easy or difficult to cure?
  • Difficult to treat
  • Radical surgical excision
Link to Answer Article


Pythiosis

Question Answer Article
Which disease is caused by pythiosis infections?
  • Mycotic swamp fever
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Which are the clinical signs of infection?
  • Granulomatous lesions
  • Necrosis with fistulous tracts
  • Yellow lesions
  • Progressive disease (rather than systemic)
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How would you treat an infection?
  • Surgical excision
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Rhinosporidiosis

Question Answer Article
What type of disease does Rhinosporidium seeberi cause?
  • Chronic
  • Benign
Link to Answer Article
What are the clinical signs of infection?
  • Nasal and ocular polyps
Link to Answer Article
How would you treat an infection?
  • Surgical excision
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Sporotrichosis

Question Answer Article
Which fungi causes sporotrichosis?
  • Sporothrix schenckii
Link to Answer Article
True or False: Sporotrichosis only occurs in Europe
  • False
  • Sporotrichosis occurs worldwide
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Which organs/bodily systems are affected?
  • Spread is via the lymphatic system
  • Bones
  • Viscera
Link to Answer Article
Which other subcutaneous infection of horses can sporotrichosis be confused with and why?
  • Epizootic lymphangitis
  • Causes an ascending lymphocutaneous infection of the legs
Link to Answer Article
Which mediums are used for culture?
  • Sabauraud's Dextrose agar
  • Blood agar
Link to Answer Article
How would you treat an infection?
  • Potassium iodide orally
  • Amphotericin B
  • 5-fluorocytosine
Link to Answer Article