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 ...

The structural features of the lateral nasal wall and medial orbit are highlighted, and relevant aspects of orbital, lacrimal, and paranasal sinus anatomy are reviewed.

Endoscopic sinus surgery (ESS ... affecting the nasal cavity and paranasal sinuses. A critical aspect of successful ESS is a thorough understanding of the anatomy of the anterior skull base ...

Foreign bodies in the paranasal sinuses are rare and mostly related to maxillo-facial trauma. We treated a 47-year-old man with a late complication arising from a foreign body in the nasoethmoid ...