Table 1.

Demographic characteristics of 21 patients with blood blister-like aneurysm treated with Willis covered stent

Case no.	Sex / age (years)	Hunt and Hess grades	Location	Size (mm)	Stent size (mm)	Immediate angiographic result	Complication	angiographic Follow-up time (months)	Final angiographic result	Clinical follow-up time (months)	mRS
1	F/68	4	RICA	3.7 × 3.1	3.5 × 10	Complete	No	21	Mild in-stent stenosis	33	0
2	M/57	2	LICA	3.2 × 3.5	3.5 × 13	Complete	No	4	Complete	16	0
3	F/57	2	LICA	3.3 × 4.2	3.5 × 10/4 × 10	Complete	OA occlusion	7	Complete	19	0
4	M/66	4	RICA	4.9 × 2.3	3.5 × 10	Complete	No	8	Complete	20	0
5	F/55	2	RICA	4.4 × 3.5	3.5 × 10	Complete	No	21	Mild in-stent stenosis	33	0
6	F/49	2	LICA	9.8 × 3.1	4 × 13	Complete	OA occlusion	3	Complete	16	0
7	M/41	2	RICA	4.5 × 2.6	4 × 7	Complete	No	6	Complete	20	0
8	F/51	2	LICA	2.8 × 2.6	3.5 × 7	Complete	No	9	Complete	22	0
9	F/33	2	RICA	3.3 × 2	3.5 × 10	Complete	No	12	Complete	24	0
10	F/52	2	RICA	9.6 × 5.6	3.5 × 10	Complete	No	16	Complete	16	0
11	F/52	3	RICA	3.9 × 3.9	3.5 × 10	Complete	No	12	Complete	21	0
12	F/45	2	LICA	4.5 × 2.7	3.5 × 10	Complete	No	6	Complete	17	0
13	M/42	3	LICA	6.0 × 3.2	4 × 10	Complete	OA occlusion	6	Complete	19	0
14	M/61	4	RICA	5.9 × 5.5	4 × 10	Complete	No	6	Complete	15	0
15	F/70	2	RICA	4.5 × 5.1	3.5 × 13	Complete	No	4	Complete	18	0
16	F/44	2	RICA	3.3 × 4.2	3.5 × 10/3.5 × 7	Complete	OA occlusion	12	Complete	24	0
17	M/49	2	RICA	5.5 × 4.7	4 × 10	Complete	No	10	Complete	20	0
18	F/31	2	LICA	5.6 × 4.4	4 × 10	Complete	No	6	Complete	19	0
19	F/58	2	LICA	3.3 × 3.2	4 × 7/4 × 10	Complete	Stent occlusion	15	Complete	15	1
20	F/59	2	RICA	4.0 × 3.1	4.5 × 10	Complete	No	4	Complete	18	0
21	F/44	2	RICA	3.5 × 2.0	4 × 10	Complete	OA occlusion	6	Complete	16	0

mRS, modified Rankin scale; LICA, left internal carotid artery; RICA, right internal carotid artery; OA, ophthalmic artery