Summary of 5 patients with meningiomas treated with Onyx injection via OPH branches
| Case No. | Age (yr), Sex | Presentation | Localization | Size (cm) | Arterial Supply | Onyx Injection | Length of Injection (min) | Devascularization | Compli-cations | Postembolization Visual Acuity |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 46, M | Confusion, apathy | Olfactory groove | 6.0 | Both ACA (meningeal branches), left OPH (accessory meningeal branch) | 0.7 mL via OPH | 31 | Complete | None | Normal |
| 2 | 59, M | Chronic headache | Left lesser sphenoid wing | 4.2 | Left OPH (recurrent meningeal branch), left anterior temporal artery, left MMA | 4.0 mL via OPH | 29 | Extensive | Transitory left CN palsy, peritumoral hemorrhage | Normal |
| 3 | 74, F | Headache, confusion, anosmia, decreased left eye acuity | Olfactory groove | 5.5 | Left OPH (anterior meningeal branch) | 0.7 mL via OPH | 30 | Extensive | None | Unalterated |
| 4 | 50, F | Headache, confusion | Olfactory groove | 7.0 | Both OPH (anterior meningeal and ethmoid branches), left MMA (anterior branch) | 5.5 mL via OPH | 30 | Extensive | None | Normal |
| 5 | 51, F | Epilepsy | Right lesser sphenoid wing | 3.0 | Right OPH (recurrent meningeal branch) | 1.2 mL via OPH | 25 | Complete | None | Normal |