Radiologic Findings, Based on Chandler Stage of Orbital Findings
| No. (%) of Patients | |
|---|---|
| Chandler stage | |
| 0 | 12 (4) |
| 1 | 124 (42) |
| 2 | 51 (17) |
| 3 | 100 (34) |
| 4 | 6 (2) |
| 5 | 4 (1) |
| Bilateral involvement | 5 |
| Stage 1 | 4 |
| Stage 2 | 1 |
| Sinus involvement | |
| Maxillary | 258 (86) |
| Ethmoid | 252 (84) |
| Sphenoid | 131 (44) |
| Frontal | 89 (30) |
| None | 26 (9) |
| Unspecified | 3 (1) |
| Multiple | 240 (80) |
The data should be interpreted with caution, because 75% of our patients were younger than 7 years of age.