Table III.
Comparison of Onodi cell indicence in the literature.
| No. PNSCT | No. PNSCT sides | No. OC (%) | No. R-side (%) | No. L-side (%) | No. Bilateral (%) | Bulging ONC (%) | |
|---|---|---|---|---|---|---|---|
| Kasemsiri, 2011 16 | 187 | 374 | 92 (49.7)* | - | - | - | - |
| Shin, 2011 14 | 162 | 324 | 54 (33.3) | 16 (29.6) | 15 (27.8) | 23 (42.6) | - |
| Tomovic, 2012 12 | 170 | 340 | 117 (68.8) | 45 (38.5) | 28 (23.9) | 44 (37.6) | - |
| Ozturan, 2013 10 | 999 | 1998 | 160 (16.6) | 58 (36.3) | 50 (31.2) | 52 (32.5) | 80.1% |
| Wada, 2015 18 | 261 | 522 | 132 (50.6)* | - | - | - | 34.8% |
| Senturk, 2017 19 | 618 | 1236 | 326 (52.7) | 94 (28.8) | 78 (23.9) | 154 (47.3) | - |
| Chmielik, 2017 4 | 196 | 392 | 78 (39.8) | - | - | - | 25% |
| Özdemir, 2019 2 | 508 | 1016 | 108 (21.2) | 44 (40.7) | 28 (25.9) | 36 (33.4) | 5.3%** |
| Thimmaiah, 2017 8 | 1080 | 2160 | 260 (24.1) | - | - | - | - |
| Ali, 2020 3 | 201 | 402 | 86 (42.8) | - | - | - | - |
| Fadda, 2022 22 | 430 | 860 | 93 (21.6) | 33 (35.5) | 35 (37.6) | 25 (26.9) | 18.3%** |
| PNSCT: paranasal CT; OC: Onodi cell; ONC: optic nerve canal. * sides; ** only Type IV bulging. | |||||||