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Diseases » Blastomycosis » Causes
 

Causes of Blastomycosis

Blastomycosis Causes: Book Excerpts

What causes Blastomycosis?

Causes: Blastomycosis: Moist soil enriched with decomposing organic debris. Endemic in parts of the south-central, south-eastern and mid-western United States. Microfoci in Central and South America and parts of Africa. (Source: excerpt from Blastomycosis: DBMD)

Related information on causes of Blastomycosis:

As with all medical conditions, there may be many causal factors. Further relevant information on causes of Blastomycosis may be found in:

Causes of Blastomycosis: Online Medical Books

16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the causes of Blastomycosis.

Blastomycosis: Causes and incidence
(Professional Guide to Diseases (Eighth Edition))

B. dermatitidis is probably inhaled by people who are in close contact with the soil. The incubation period may range from weeks to months. Blastomycosis is generally found in North America (where B. dermatitidis normally inhabits the soil), and is endemic to the southeastern United States. Sporadic cases have also been reported in Africa. Blastomycosis usually infects men ages 30 to 50, but no occupational link has been found.

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Source: Professional Guide to Diseases (Eighth Edition), 2005

Blastomycosis: Causes
(Handbook of Diseases)

Blastomycosis is generally found in North America (where B. dermatitidis normally inhabits the soil) and is endemic to the southeastern United States. Sporadic cases have also been reported in Africa. Blastomycosis usually infects men between ages 30 and 50, but no occupational link has been found. B. dermatitidis is probably inhaled by people who are in close contact with the soil. The incubation period may range from weeks to months.

» READ BOOK EXCERPT ONLINE »

Source: Handbook of Diseases, 2003

Blastomycosis: Blastomycosis - pathophysiology
(The 5-Minute Pediatric Consult)

  • Inhalation of the fungus into the lung is followed by an inflammatory response with neutrophils and macrophages.
  • Blastomycosis most commonly presents as a subacute pulmonary disease, but the clinical spectrum of the disease extends from asymptomatic to disseminated disease that involves the skin, bones, and genitourinary system.

Blastomycosis - etiology

  • Infection is most commonly caused by inhalation of spores from Blastomyces dermatitidis.
  • Less common modes of acquiring the infection include accidental inoculation, dog bites, conjugal transmission, and intrauterine transmission.
  • Point-source outbreaks have been associated with occupational and recreational activities that occur in areas with moist soil and decaying vegetation, such as along streams and rivers.
  • Natural infection occurs only in 2 mammalian species, humans and dogs.

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Source: The 5-Minute Pediatric Consult, 2008


 » Next page: Risk Factors for Blastomycosis

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