Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The Lund-Mackey Staging System
| R | L | |
|---|---|---|
| Sinus systems (0–2) | ||
| Maxillary | ||
| Anterior ethmoids | ||
| Posterior ethmoids | ||
| Sphenoid | ||
| Frontal | ||
| Ostiomeatal complex | ||
| Total | ||
| Anatomic variants (0–1) | ||
| Absent frontal sinus | ||
| Concha bullosa | ||
| Paradoxic middle turbinate | ||
| Everted uncinate process | ||
| Haller cells | ||
| Agger nasi cells |
