A prospective study conducted in the department of Otorhinolaryngology, Head and Neck Surgery, Post Graduate Institute of Medical Education and Research, Chandigarh in which all the cases presenting with the features of allergic fungal sinusitis (AFS) between January 2000 and January 2005 were enrolled. These cases were divided into two groups, group 1 comprised of cases with age less than 15 years and group 2 with age more than 15 years