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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

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