Table I.
Characteristics of the case series.
| N (% or IQR) | |
|---|---|
| Sex | |
| Male | 19 (64%) |
| Female | 11 (36%) |
| Median age (years) | 57 (46-63) |
| Previous sinonasal surgery | |
| Yes, for previous IP | 11 (36.7%) |
| Yes, for other pathologies | 7 (23.3%) |
| No | 12 (40%) |
| Insertion point | |
| Posterior wall | 5 (16.7%) |
| Infundibulum | 4 (13.3%) |
| Orbital roof | 4 (13.3%) |
| Anterior wall | 3 (10%) |
| Lateral recess | 1 (3.3%) |
| Medial wall | 1 (3.3%) |
| Diffuse insertion in the frontal sinus | 1 (3.3%) |
| Unknown | 11 (36.8%) |
| Lateral frontal sinus extension (in relation to the orbital roof) | |
| Medial third | 4 (13.3%) |
| Central third | 19 (63.4%) |
| Lateral third | 7 (23.4%) |
| Posterior wall shape | |
| Straight | 4 (13.3%) |
| C-shaped | 15 (50%) |
| S-shaped | 7 (23.3%) |
| Unknown | 4 (13.3%) |
| Interorbital distance (median in mm) | 22.2 (20.4-24.9) |
| Anteroposterior recess distance (median in mm) | 8.7 (7.3-11.8) |
| Approach | |
| EEA | 18 (60%) |
| EEA-OPF | 12 (40%) |
| Median follow-up (months) | 37 (16-76) |
| Recurrence | |
| Yes | 3 (10%) |
| No | 27 (90%) |
| Postoperative complications | |
| Yes | 14 (46.7%) |
| Mucoceles | 13 (92.8%) |
| Inflammatory stenosis | 1 (7.2%) |
| No | 15 (50%) |
| Unknown | 1 (3.3%) |
| EEA: endoscopic endonasal approach; OPF: osteoplastic flap; IQR: interquartile range. | |