Today, endoscopic Sinus Surgery (ESS) is one of the most applied surgeries that is performed mainly in the treatment of chronic sinus inflammations, sinus tumors, injuries of the anterior cranial base, eyeball injuries related to trauma, and pressure on the eye nerve. At the same time, it is preferred to be used in the drainage surgeries of the lacrimal sac (Dacryocystorhinostomy) and in the surgical treatment of some pituitary gland adenomas (Endoscopic hypophysectomy) in gradually increasing ratios.
Due to narrow, complex anatomy of the regions in which sinuses around the nose are located, and due to the important neighboring organs like the brain, eyes, eye nerves, lacrimal sac, carotid arteries make training, experience and the highest technical skill with a small error of margin essential in Endoscopic sinus operations.
