The function of the paranasal sinuses is not clear, but theories include humidification and warming of inspired air, lightening of the skull, improvement of vocal resonance, absorption of shock to ...

For some people, the classic symptoms of a sinus infection, including nasal congestion and discharge, are also accompanied by ...

purulent drainage or polypoid changes, mucosal abnormalities of the middle meatus usually require nasal endoscopy. Furthermore, endoscopy provides detailed information about intranasal anatomy ...