investigations

Last reviewed 01/2018

The investigation of allergic bronchopulmonary aspergillosis should include the following:

  • chest radiology shows various transient abnormalities:
    • consolidation or collapse
    • thickened bronchial wall markings
    • peripheral shadows
    • signs of proximal bronchiectasis

  • full blood count reveals eosinophilia

  • serum IgE levels will be raised and precipitating antibodies to Aspergillus species present in 90% of cases

  • fungal spores or hyphae may be seen on sputum microscopy or grown on culture

  • skin-prick test almost always positive to Aspergillus fumigatus