Patients commonly present with a history of nasal obstruction, polyposis, or a history of multiple sinus procedures ... an immune reaction producing mucosal thickening and the formation of ...

nonatopic host sinus and does not invade or penetrate the sinus mucosa. Aspergillus is the primary causative organism. It usually involves a single sinus, most often the maxillary sinus.

Bony sclerosis of the maxillary sinus was noted with inwards traction of the lateral, anterior and posterior walls. Mucosal thickening was seen occupying almost the entire left maxillary sinus with a ...