Aspergillus is an opportunistic fungus that is common in the environment and can cause serious disease.
widespread, grows on rotting vegetation. Spores common in air.
Immunosuppression is an important predisposing factor for Aspergillus infection.
Allegric bronchiopulmonary aspergilliosis resembles asthma.
Fungal balls can develop in cavities such as the lungs or sinuses
Invasive disease can cause tissue destruction and pneumonia
microscopy (KOH)
culture (multiple positives required to R/O contaminants)