Role of IgE in Allergic Bronchopulmonary Aspergillosis

The protean manifestations of aspergillosis are attributed to colonization, allergy, or tissue invasion by Aspergillus. Approximately 350 species of aspergil-lus have been described, but only a few cause human disease. Aspergillus fumiga- 

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Aspergillus spores or conidia are 2.5-3.0 pm in diameter and are likely to reach the small airways and alveoli upon inhalation. Once inhaled, the conidia germinate to grow in the hyphal form. The hyphae measure 7-10 pm in size and divide and branch at 45° angle form. Aspergillus fumigatus spores are capable of hyphal growth at body temperature (5). 

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