TABLE 1.

Characteristics in 88 patients with temporal lobe AVMs^*

	Total		Lateral		Basal		Medial		Sylvian		Ventricular
Characteristic	No.	%	No.	%	No.	%	No.	%	No.	%	No.	%
patients	88	100	58	66	9	10	13	15	5	6	3	3
mean age (yrs)	39.0		40.8		45.2		29.5		33.6		32.7
sex
male	42	48	27	47	4	44	6	46	4	80	1	33
female	46	52	31	53	5	56	7	54	1	20	2	67
presentation
hemorrhage	45	51	27	47	4	44	8	62	4	80	2	67
seizures	24	27	19	33	2	22	2	15	1	20	0	0
headache	15	17	9	16	2	22	3	23	0	0	1	33
other	4	5	3	5	1	11	0	0	0	0	0	0
side
lt	59	67	42	72	5	56	7	54	3	60	2	67
rt	29	33	16	28	4	44	6	46	2	40	1	33
S-M Grade
I	21	24	13	22	5	56	1	8	2	40	0	0
II	33	38	25	43	3	33	4	31	0	0	1	33
III	25	28	17	29	0	0	4	31	2	40	2	67
IV	8	9	3	5	1	11	4	31	0	0	0	0
V	1	1	0	0	0	0	0	0	1	20	0	0
supplementary grade
I	6	7	2	3	0	0	2	15	1	20	1	33
II	19	22	11	19	2	22	4	31	2	40	0	0
III	34	39	26	45	2	22	4	31	1	20	1	33
IV	25	28	17	29	5	56	1	8	1	20	1	33
V	4	5	2	3	0	0	2	15	0	0	0	0
supplemented S-M Grade
1–3 (low risk)	7	8	2	3	2	22	1	8	2	40	0	0
4–6 (moderate risk)	66	75	48	83	6	67	8	62	2	40	2	67
7–10 (high risk)	15	17	8	14	1	11	4	31	1	20	1	33

^*S-M = Spetzler-Martin.