Which of the following is the first step in functional endoscopic sinus surgery
Definitive surgical steps include- 1. Unicectomy- Unicinectomy is done to expose the sinus opening within the middle meatus properly Uncinate process is incised with sickle knife and removed with Blakesley forceps. 2. Identification and enlargement of maxillary ostium. 3. Bullectomy. 4. Penetration of lamella and removal of posterior ethmoid cells. 5. Clearance of frontal recess and frontal sinusotomy. 6. Sphenoidotomy. 7. Nasal packs. Ref: Dhingra 7e pg 478.
Opening of bulla ethmoidalis
Unicinectomy
Middle meatal antrostomy
Middle turbinectomy
Diagnostic and operative ENT