Endoscopic Retrieval of a Penetrating Ethmoid Sinus Foreign Body with a Successful Minimally Invasive Approach: A Case Report.

A 14-year-old girl suffered a rare injury when a pen pierced her left eye, leading to a foreign object lodged in her ethmoid sinus. Prompt diagnosis and endoscopic sinus surgery (ESS) effectively removed the object, highlighting ESS as a valuable approach for managing uncommon sinus foreign bodies while minimizing complications.