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Pulmonary blastomycosis.

Robert W Bradsher¹

¹Division of Infectious Diseases, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205, USA. bradsherrobertw@uams.edu

Seminars in Respiratory and Critical Care Medicine

|March 28, 2008

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Blastomycosis is a fungal infection primarily affecting the lungs, often mimicking pneumonia, tuberculosis, or lung cancer. Treatment involves azole agents like itraconazole, with Amphotericin B reserved for severe cases.

Area of Science:

Mycology
Infectious Diseases
Pulmonology

Background:

Blastomycosis is a rare fungal infection endemic to specific regions of North America.
It commonly presents as pneumonia but can affect multiple organ systems.
Demographic data indicate a higher prevalence in young to middle-aged adults, with a male predominance.

Purpose of the Study:

To provide a comprehensive overview of blastomycosis.
To detail its epidemiological characteristics, clinical manifestations, and diagnostic considerations.
To outline current therapeutic strategies and treatment guidelines.

Main Methods:

Review of existing literature on blastomycosis.
Analysis of epidemiological data and clinical case reports.

Related Experiment Videos

Synthesis of information on diagnostic approaches and treatment outcomes.

Main Results:

Blastomycosis is geographically concentrated in the Midwestern and South-Central US and Great Lakes regions.
Pulmonary involvement is nearly universal, presenting a spectrum of disease from acute pneumonia to chronic destructive lesions.
Extrapulmonary sites, including skin, bone, prostate, and CNS, are frequently affected.

Conclusions:

Blastomycosis requires prompt diagnosis and appropriate management to prevent severe morbidity.
Oral azole antifungals, particularly itraconazole, are the preferred treatment for less severe infections.
Amphotericin B remains crucial for treating life-threatening or central nervous system blastomycosis.