“…1,2 Management of penetrating trauma to the paranasal sinuses and skull base with retained foreign bodies represents a challenge due to the proximity to vital neurovascular structures. 3,4 Preoperative CT scan is the preferred modality to show bony landmarks and vascular structures; however, although both CT scan and magnetic resonance imaging are increasingly being used, in the case of nail gun injuries significant artefacts secondary to the nail probably preclude these studies. 5 Blind removal of foreign bodies has been reported, 6 however the development of combined-multiportal endoscopic approaches enabled surgeons to reach different regions through minimally invasive routes with lower incidence of complications, lower morbidity, and mortality rates compared with traditional external approaches.…”