Purpose To evaluate the results of endoscopic sinus surgery (ESS) for paranasal sinus mucocoele with orbital involvement and assess the frequency with which a direct orbital approach is required in ...

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 ...

The size and shape of the frontal sinus can vary from person to person. These spaces fill up with mucus, which then drain into the nose. The draining process can be hindered by blockages. If mucus ...

David King does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...