Table 2 Prevalence of neurovascular bulging and dehiscence of surrounding structures
From: Risky anatomical variations of sphenoid sinus and surrounding structures in endoscopic sinus surgery
Right n (%) | Left | Total (n = 460) n (%) | P-values* | |||||
|---|---|---|---|---|---|---|---|---|
Men n (%) | Women n (%) | Total (n = 230) n (%) | Men n (%) | Women n (%) | Total (n = 230) n (%) | |||
ICA | ||||||||
Normal | 92 (53.2) | 81 (46.8) | 173 (75.2) | 83 (52.2) | 76 (47.8) | 159 (69.1) | 332 (72.2) | < 0.0001 |
Protrusion | 28 (51.8) | 26 (48.2) | 54 (23.5) | 36 (53.7) | 31 (46.3) | 67 (29.1) | 121 (26.3) | < 0.0001 |
Dehiscence | – | – | – | – | 2 (100.0) | 2 (0.9) | 2 (0.4) | < 0.0001 |
P + D | – | 3 (100.0) | 3 (1.3) | 1 (50.0) | 1 (50.0) | 2 (0.9) | 5 (1.1) | < 0.0001 |
ONC | ||||||||
Normal | 98 (50.8) | 95 (49.2) | 193 (83.9) | 102 (53.4) | 89 (46.6) | 191 (83) | 384 (83.5) | < 0.0001 |
Protrusion | 17 (60.7) | 11 (39.3) | 28 (12.2) | 16 (50.0) | 16 (50.0) | 32 (13.9) | 60 (13) | < 0.0001 |
Dehiscence | 2 (40.0) | 3 (60.0) | 5 (2.2) | – | 2 (100) | 2 (0.9) | 7 (1.5) | < 0.0001 |
P in Onodi | 3 (75.0) | 1 (25.0) | 4 (1.7) | 2 (40.0) | 3 (60.0) | 5 (2.2%) | 9 (2) | < 0.0001 |