The 4 main types of aspergillosis disease.These infections are caused by inhaling the spores of a small fungus called aspergillus, most commonly aspergillus fumigatus. They can cause: (1) aspergillus sinusitis, infection local sinus may have an invasive form in immunocompromised patients. (2) allergic bronchopulmonary aspergillosis, inflammation and obstruction of the bronchi mainly affecting asthmatic or cystic fibrosis patients with symptoms identical to those of asthma. (3) an aspergilloma, a mycelial ball developing in a pulmonary cavity caused by another pathology such as tuberculosis or sarcoidosis. (4) invasive aspergillosis, which spreads through the pulmonary blood pathways to other organs, affecting mainly immunocompromised patients.