Table 2:

Patient characteristics

Patient	M/F/Age^{^a}	AVM Localization	Previous Treatments	Symptoms	Schöbinger Stage
1	F/17	Cheek, submandibular area	1, 2, 4	Regrowth, pulsating mass	II
2	F/20	Nose ala, nasion, periorbital	1, 4^{^b}	Regrowth, pulsating mass	II
3	F/23	Auricle	1, 3, 4, 5	Regrowth, pulsating mass, pain	III
4	M/30	Mid- and lower face, lower lip	1, 2, 3, 4	Regrowth, pulsating mass, ulceration	III
5	M/12	Upper lip	1	Regrowth, mass	II
6	F/42	Tongue	No	Growing pulsating mass, pain, bleeding	III
7	F/33	Auricle, scalp	1, 3, 4^{^b}	Regrowth, pulsating mass, tissue destruction	III
8	M/30	Midface, upper lip	1, 4	Regrowth, pain, epistaxis, ulceration	III
9	F/15	Lower lip	2, 4	Regrowth, pulsating mass	II
10	F/46	Occipital scalp	No	Growing pulsating mass, pain	III
11	F/17	Occipital scalp	No	Growing pulsating mass	II
12	M/47	Midface, skull base, periorbital	1, 2, 3, 4^{^b}	Recurrent severe epistaxis	III
13	M/19	Maxilla, intraosseal	No	Growing pulsating mass	II
14	M/38	Tongue, floor of the mouth, chin, lips	No	Growing pulsating mass	II
15	F/13	Tongue, floor of the mouth, chin, lower lip	1	Regrowth, pulsating mass	II
16	M/6	Upper lip	No	Growing mass	II
17	F/6	Upper lip	No	Growing mass	II
18	F/25	Midface, upper lip	1, 2, 4	Regrowth, bleeding	III
19	F/25	Midface, upper lip, periorbital	1, 4	Regrowth, bleeding	III

Note:—Previous treatments: 1 = local resection; 2 = resection with radical aim; 3 = proximal artery ligation; 4 = PVA embolization; 5 = ethanol sclerotherapy.
↵a Age at the beginning of current sclerotherapies.
↵b ICA supply after surgery.