Functional endoscopic sinus surgery preoperative variants (mnemonic)
A mnemonic to remember the potential anatomic variants to report on pre-functional endoscopic sinus surgery studies is :
- CLOSE
Mnemonic
- C: cribriform plate
- L: lamina papyracea
- O: Onodi cell
- S: sphenoid sinus pneumatization
- E: ethmoidal artery (anterior)
See also
