1. CT PNS Navigation CD: It means it is a CD ( compact Disc) having CT scan
( like X-Rays) of Para Nasal Sinuses
(air filled spaces around nose).
2. FLP Scopy: It means if scopy is done on the second visit of doctor. It means follow up Scopy.
3. Polysomnography: It is a study of body function during sleep. It is also called sleep study.
Have a nice day!