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ID#:10626
Description:Magnified 850X, this Gömöri-stained photomicrograph of a canine liver tissue specimen, revealed the presence of budding Blastomyces dermatitidis fungal cells of various sizes. Note the accompanying filaments, or mycelium.

What is blastomycosis?

Blastomycosis is disease caused by a fungus, Blastomyces dermatitidis, which is found in parts of the south-central, south-eastern and mid-western United States. Microfoci are also found in Central and South America and parts of Africa. The fungus can be found in moist soil enriched with decomposing organic debris.
Who gets blastomycosis?

Persons in areas with endemic disease with exposures to wooded sites (e.g., farmers, forestry workers, hunters, and campers).

How is blastomycosis spread?The infection is spread by inhalation of airborne conidia (spores) after disturbance of contaminated soil. Blastomycosis is not known to be transmitted from person to person.What are the symptoms of a blastomycosis?

Symptomatic infection (50% of cases) usually presents as a flu-like illness with fever, chills, productive cough, myalgia, arthralgia and pleuritic chest pain. Some patients fail to recover and develop chronic pulmonary infection or widespread disseminated infection (affecting the skin, bones and genitourinary tract in particular). Blastomycosis can also occasionally affect the central nervous system, resulting in meningitis.

High Resolution: Click here for hi-resolution image (6.53 MB)
Content Providers(s):CDC
Creation Date:1971
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.

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