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 ...

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 ...

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 ...

In the case reported, the patient presented with purulent left para-nasal sinusitis due to obstruction of the left frontonasal duct caused by an undetected glass fragment 16 years following the ...