Table 2.
Paranasal Sinuses and Ostia Dimensions
| Right | Left | |||||||
|---|---|---|---|---|---|---|---|---|
| Patient | Paranasal sinuses surface area (cm2)/ volume (cm3) | |||||||
| Maxillary | Frontal | Ethmoid | Sphenoid | Maxillary | Frontal | Ethmoid | Sphenoid | |
| 1 | 25.0/8.8 | 15.1/3.0 | 4.2/2.5 | 15.4/0.6 | 21.8/7.6 | 17.8/4.0 | 8.3/1.8 | 19.1/6.1 |
| 2 | 44.5/18.2 | 30.9/8.1 | 23.0/8.2 | 12.1/2.9 | 36.9/14.5 | 35.2/9.3 | 22.0/ 7.2 | 23.2/7.0 |
| 3 | 20.9/6.6 | 14.0/2.7 | 6.4/1.0 | 9.4/2.6 | 15.3/4.0 | 13.5/2.7 | 7.0/2.2 | 7.1/1.8 |
| Ostial cross-dectional area (cm2) | ||||||||
| 1 | 1.75 | 0.27 | 0.03 | 1.70 | 2.88 | 0.66 | 0.43 | 2.11 |
| 2 | 1.15 | 1.17 | 3.51 | 0.27 | 2.05 | 0.58 | 3.74 | 2.20 |
| 3 | 2.35 | 1.21 | 3.96 | 2.24 | 2.99 | 0.94 | 5.13 | 2.02 |