Table 4. Diagnostic criteria for allergic Aspergillus sinusitis [186, 189]
Sinusitis of one or more paranasal sinus on radiography
Necrosed amorphous tissue along with oedematous polyps infiltrated with eosinophils on histopathological evaluation of material from the sinus
Demonstration of fungal elements in nasal discharge or in material obtained at the time of surgery by stain or culture
Absence of diabetes, previous or subsequent immunodeficiency disease, and treatment with immunosuppressive drugs
Absence of invasive fungal disease at the time of diagnosis or subsequently
Other features
    Peripheral blood eosinophilia
    Type I and type III cutaneous hypersensitivity to Aspergillus
    Precipitating antibodies to Aspergillus antigens
    Elevated total, as well as Aspergillus-specific, IgE levels
    Characteristic computed tomography appearances