Table. 3 Analysis of preprocedural imaging findings compared with ophthalmic artery involvement
|  | Presence of tumor stain from ophthalmic arteryn = 10 | Absence of tumor stain from ophthalmic arteryn = 10 |  |
|---|---|---|---|
Invasion site | |||
  Ante-antral space | 7/10 (70 %) | 7/10 (70 %) | 1.000 |
  Nasal cavity | 10/10 (100 %) | 6/10 (60 %) | 0.87 |
  Ethmoid sinus | 10/10 (100 %) | 1/10 (10 %) | < 0.01 |
  Sphenoid sinus | 1/10 (10 %) | 0/10 (0 %) | 1.000 |
  Inferior orbital | 5/10 (50 %) | 7/10 (70 %) | 0.650 |
  Pterygoid plate | 4/10 (40 %) | 4/10 (40 %) | 1.000 |
  PPF | 5/10 (50 %) | 8/10 (80 %) | 0.350 |
  Masticator muscle | 6/10 (60 %) | 5/10 (50 %) | 1.000 |
  Nasopharynx | 4/10 (40 %) | 0/10 (0 %) | 0.087 |