Orbital Complications of Endoscopic Sinus Surgery: MR and CT Findings

Endoscopic sinus surgery (ESS) is one of the most common procedures performed in the field of otolaryngology. Its popularity has risen with the advancements in endoscopic surgical technique and instrumentations. Similar to other surgical procedures, it is not without risks. Due to the intimate anatomical relationship to the paranasal sinuses, the contents of the cranium and orbit are vulnerable to injury.VBcomplication