Table 1.

Clinical presentation, angioarchitectural features and patients’ characteristics.

Case	AVM location and SM scale	Clinical presentation	Amount of PHIL, ml per session	Embolization (%)	Following treatment	mRS prior to discharge	mRS at 3 months
	Left temporoparietal, grade III	Seizures	>6	70	Following embolization/ radiosurgery	0	0
	Left temporal, grade II	Seizures	<5	80	Radiosurgery	0	0
	Left parietal, grade III	Migraine	>6	80	Following embolization	0	0
	Left frontoparietal, grade III	Headache, seizures	>7	90	Radiosurgery	0	0
	Right temporoparietal, grade III	Seizures	7	60	Surgery	0	3
	Right occipital, grade II	Asymptomatic MRI findings	5	60	Following embolization/ radiosurgery	0	0
	Left parietal, grade I	Asymptomatic intranidal aneurysm	3	100		0	0
	Pericallosal, grade II	Migraine	5	100		0	0
	Right parietal occipital, grade III	Visual disturbance	>7	80	Radiosurgery	0	0
	Left parietal occipital, grade II	Seizures	>3	100		0	0
	Left frontal parietal, grade I	Asymptomatic MRI – silent rupture data	>2	100		0	0
	Right temporal, grade II	Headache, seizures	3	100		0	0
	Right parietal, grade III	Headache, seizures	>4	100		0	N/A
	Left temporo-occipital, grade IV	Seizures	>7	40	Following embolization/ radiosurgery	0	N/A
	Left parietal, grade I	Migraine	>2	100		0	0
	Left occipital, grade III	Visual disturbance	>6	100	Following embolization/ radiosurgery	0	0
	Left parieto-occipital, grade III	Migraine with aura	>5	70	Surgery	0	0
	Right frontoparietal, grade III	Seizures	>7	80	Refused any further treatment	0	N/A
	Left temporal, grade I	Asymptomatic MRI – hemosiderin-stained parenchyma	2	100		0	0
	Left frontoinsular, grade I	Asymptomatic hemosiderin-stained parenchyma and gliosis	3	100		0	0
	Left temporo-occipital, grade III	Seizures, headache	>6	80	Radiosurgery	0	0
	Right temporal, grade II	Migraine with aura	4	100		0	N/A
	Left parietal, grade I	Asymptomatic aneurysm of feeding artery	2	100		0	0
	Left frontal temporal, grade III	Seizures	>5	60	Following embolization/ radiosurgery	0	0
	Left parietal temporal, grade III	Seizures	>5	60	Following embolization/ radiosurgery	0	N/A
	Left occipital, grade I	Asymptomatic MRI – hemosiderin-stained parenchyma, gliosis	2	100		0	0
	Right parietal, grade II	Asymptomatic MRI data for intranidal aneurysm	>3	100		0	N/A

AVM: arteriovenous malformation; SM: Spetzler–Martin; PHIL: precipitating hydrophobic injectable liquid; MRI: magnetic resonance imaging; mRS: modified Rankin scale.