Related Experiment Videos
Clinical features of blastomycosis
1Department of Medicine, University of Arkansas Center for Medical Sciences, Little Rock, USA.
Seminars in Respiratory Infections
|October 6, 1997
Summary
Blastomycosis is a fungal infection often missed in the midwestern US. It commonly affects the lungs but can spread to skin, bones, and the nervous system, mimicking other diseases.
Area of Science:
- Mycology
- Infectious Diseases
- Public Health
Background:
- Blastomycosis is an uncommon but significant fungal infection endemic to the south-central and midwestern United States.
- It presents diagnostic challenges due to its ability to mimic other common illnesses.
- Epidemic cases affect all ages and sexes, while endemic cases typically occur in adult men.
Purpose of the Study:
- To highlight the diagnostic considerations for blastomycosis.
- To describe the common clinical manifestations and extrapulmonary involvement.
- To emphasize its importance in differential diagnosis for endemic populations.
Main Methods:
- Review of clinical presentations and epidemiological data.
- Analysis of common sites of infection and mimicry of other diseases.
- Emphasis on differential diagnosis in endemic regions.
Main Results:
- Pneumonia is the most frequent manifestation, often mimicking bacterial pneumonia, tuberculosis, or lung cancer.
- Cutaneous involvement is the most common extrapulmonary site, presenting as verrucous or ulcerative lesions.
- Osseous, prostatic, and central nervous system involvement are the next most frequent.
Conclusions:
- Blastomycosis requires a high index of suspicion in patients from endemic areas presenting with pulmonary, cutaneous, or other organ system infections.
- Early and accurate diagnosis is crucial for appropriate management.
- Its varied presentation necessitates considering it in the differential diagnosis of numerous conditions.