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WHAT IS IT?
Blastomyces dermatitis is a dimorphic fungus.
CULTURE CHARACTERISTICS
This organism assumes different forms based upon its temperature:
- In the human body (37-40°C): it assumes the form of yeast (single cells). A broad based bud is a classic appearance of this organism.
- In the environment (25-30°C): it assumes the form of a mold (has branching hyphae)
MOLECULAR CHARACTERISTICS
TRANSMISSION
In endemic areas: states adjacent to/east of Mississippi and Ohio river valleys.
Found in: soil, organic matter, many animals (dogs, horses, etc.).
Transmitted via respiratori route: enters the lungs and transfers to yeast form (practices thermal dimorphism).
CONDITIONS CAUSED
Blastomycosis:
- Pulmonary infection: in an immunocompetent host.
TREATMENT
OTHER HY FACTS
ARCHIVE OF STANDARDIZED EXAM QUESTIONS
This archive compiles standardized exam questions that relate to this topic.
Page Updated: 04.28.207