https://www.selleckchem.com/pr....oducts/Nevirapine(Vi
The pathophysiology of allergic fungal rhinosinusitis (AFRS) is not well understood. To study the incidence of sinonasal anatomic variants (AVs) in AFRS. Retrospective cohort study. Patients with AFRS presenting to our clinic from 2008 to 2018 were reviewed for laterality of the disease. Patients with unilateral involvement were further studied for AV presence by reviewing their preoperative sinus CT scan at original presentation. Each patient's uninvolved side served as its own control. AVs studied include agger nasi (AN),