Aspergillus fungus can be found worldwide and is the most common fungal infection of the paranasal sinuses. Despite this ubiquity, aspergillosis of the sphenoid sinus as an isolated disease in an otherwise healthy person is quite rare. We report two cases in this article: one was a 53-year-old woman who suffered from bloody postnasal drip for 2 weeks and the other a 61-year-old woman suffered f...

The paranasal sinuses and the mastoid air-cell systems are evaginations of the mucous membrane of the nasal and nasopharyngeal cavities . Separate theories regarding their pneumatization have been suggested. However, correlation studies between the two systems giving a possible clue to a common pneumatizing process have been few (1 , 2]. One hundred adult patients without ear disease and minima...

Malignant tumors of the paranasal sinus are uncommon, constituting less than 1% of all malignancies and 3% of all head and neck cancers. Nonsquamous cancers of the maxillary sinus are even rarer as is evident from the limited data available on the clinical characteristics and outcomes. Mucoepidermoid carcinoma accounts for 13% of all malignancies occurring in maxillary sinus. We report a rare c...