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Sites of recurrence by surgical technique performed (including our case series).
| EEA | EEA + EAWO | EEA + OPF | |
|---|---|---|---|
| (83 patients) | (16 patients) | (43 patients) | |
| Recurrence inside frontal sinus | 13 (15.7%) | 8 (50%) | 2 (4.7%) |
| Recurrence outside frontal sinus | 6 (7.2%) | 2 (12.5%) | 1 (2.3%) |
| Not univocal recurrence site | 3 (3.6%) | 1 (6.2%) | 1 (2.3%) |
| Total | 22 (26.5%) | 11 (68.7%) | 4 (9.3%) |
| EEA: endoscopic endonasal approach; EAWO: external approach without the osteoplastic flap; OPF: osteoplastic flap. | |||
