Table 2.
Extent of locoregional spread.
| Extent | Esthesioneuroblastoma (n = 12 patients) |
SN-NEC (n = 13 patients) |
Total (25 patients) |
|---|---|---|---|
| Involvement of cribriform plate | 12 (100.0%) | 13 (100.0%) | 25 (100.0%) |
| Intracranial extension up to extradural region | 06 (50.0%) | 08 (61.5%) | 14 (56%) |
| Intradural intracranial extension but brain parenchyma uninvolved | 06 (50.0%) | 04 (30.8%) | 10 (40%) |
| Intradural extension with brain parenchyma involvement | 02 (16.7%) | 03 (23.1%) | 05 (20%) |
| Involvement of orbit | 06 (50.0%) | 07 (53.8%) | 13 (52%) |
| Involvement of infratemporal fossa | 03 (25%) | 03 (23.1%) | 06 (24%) |
| Involvement of parapharyngeal space | 01 (08.3%) | 01 (7.7%) | 02 (08%) |
| Involvement of regional lymph nodes | 03 (25%) | 05 (38.5%) | 08 (32%) |