Table 1

Patient and aneurysm characteristics

	Location	Size (mm)	Area (mm²)	Volume (mm³)	Aspect ratio	Follow-up (months)	Size difference		Area difference		Volume difference		Aspect ratio difference (%)	Max Disp (mm)	Status
No	Location	Size (mm)	Area (mm²)	Volume (mm³)	Aspect ratio	Follow-up (months)	mm	%	mm²	%	mm³	%	Aspect ratio difference (%)	Max Disp (mm)	Status
1	L PCOM	10.2	200.6	1688.4	1.14	30	1.71	16.8	53.4	26.6	692.4	41	13.7	1.598	Growing
2	ACOM	10.1	180.4	1427.9	1.18	14	0.9	8.9	16.8	9.3	150.9	10.6	14.3	0.779
3	R Cavernous ICA	4.5	28.3	92	0.6	35	0.5	11.1	3.8	13.3	18.9	20.6	−21.5	0.96
4	ACOM	6.7	66.7	329.4	0.71	27	1.03	15.5	20.1	30.1	160.6	48.8	5.5	0.862
5	R Cavernous CA	7.9	82.3	442.2	0.5	25	−0.78	−9.8	−13.1	−16	794.3	179.6	−4	1.366
6	L MCA bifurcation	20.9	762.2	10 950.1	5.12	58	0.75	3.6	23.8	3.1	949.2	8.7	6.7	0.978
7	BA trunk	19.5	586.5	8608.2	0.64	31	3.41	17.4	267.5	45.6	7152.6	83.1	11.2	3.52
8	R Cavernous ICA	10.7	192	1594.3	0.79	73	0.15	1.4	3.5	1.8	36	2.3	−12.2	0.968
9	L ICA terminus	4.4	18.2	35.8	0.69	25	0.49	11.3	8.7	47.7	34.2	95.5	−5.2	0.633
10	L PCOM	2.9	9.8	2.9	0.43	49	0.63	22.2	9.1	92.7	5.3	180	48.7	0.849
11	L PCOM	2.5	5.5	0.8	0.17	49	0.2	8.2	1.6	29.8	1.2	164.3	121	0.558
12	L PCOM	11.9	328.7	605.3	1.12	72	5.6	47	359.8	109.4	1142.7	188.8	13.9	4.708
13	L PCOM	3.7	22.2	10.8	0.69	38	1.25	33.6	18.8	85	15.2	141	7.3	1.276
14	L PCOM	5.1	46.7	31.9	0.65	30	3.62	71	51.2	109.8	39.4	123.5	117	0.989
15	ACOM	3.9	24.9	71.8	0.89	13	0.67	17.2	9.7	39.1	44.1	61.5	40.8	0.568
16	ACOM	5.4	45.1	174.5	0.7	5	0.43	8	4.5	10	13.3	7.6	31	0.772
17	ACOM	9.8	193.4	1679.5	0.86	28	−0.46	−4.7	−5.5	−2.9	−88.9	−5.3	8	0.424	Stable
18	R MCA bifurcation	8.3	142.8	1087.9	0.93	23	0.24	2.9	6.7	4.7	60.1	5.5	−0.3	0.343
19	R ICA s. Hyp.	9.5	187.5	1486.8	1.22	35	−0.33	−3.5	−4	−2.2	−43.4	−2.9	1.6	0.669
20	L ICA s. Hyp.	12.1	251.5	2254.5	1.21	37	0.79	6.5	6.3	2.5	32	1.4	13	0.485
21	L ICA supracl.	4.2	19.5	85	0.38	37	0.02	0.5	2.9	14.7	−22.5	−26.5	7.9	0.485
22	R PCOM	5.4	32.6	98.6	0.39	25	−0.13	−2.4	−2.7	−8.2	−16.2	−16.5	19.8	0.175
23	R MCA bifurcation	8.3	137.3	956.5	1.05	25	−0.54	−6.5	−18.2	−13.2	−199	−20.8	−3	0.496
24	R ICA s. Hyp.	4.5	23.8	57.6	0.43	15	0.05	1.2	−0.1	−0.3	2.9	5.1	−4.4	0.301
25	R ICA terminus	2.8	9.5	15.8	0.36	15	0.17	6.3	0.1	0.6	−0.2	−1.3	−5.7	0.303
26	R MCA bifurcation	3.7	18.7	46.9	0.66	15	0.06	1.5	1.9	10.4	11.9	25.4	7.3	0.214
27	R M2 bifurcation	2.9	8.7	15.4	0.33	15	−0.07	−2.4	−0.2	−2.8	−0.5	−3	2.1	0.264
28	L ICA i. Hyp.	4.3	27.5	70.3	0.47	10	0.2	4.5	0.1	0.5	6.8	9.6	12.8	0.199
29	L ICA s. Hyp	2.9	7	8.2	0.25	10	0.37	12.5	2.1	30.2	5	60.9	−2.8	0.283
30	L ICA oph.	2.4	7	9.4	0.36	10	0.05	2	0.2	3.1	0.4	4.6	9.4	0.281
31	L ICA oph.	5.5	55.1	233.9	1.12	10	0.21	3.9	2.1	3.8	14	6	5.5	0.287
32	R ICA oph.	4.6	20.2	46.2	0.33	73	0.9	19.6	7.3	36.2	28.7	62.2	−12	0.426
33	ACOM	6.4	55.6	161.9	0.31	9	0.31	4.8	0.2	0.4	40	24.7	21.9	0.493

ACOM, anterior communicating artery; BA, basilar artery; i. Hyp, inferior Hypophysial; ICA, internal carotid artery; max disp, maximum displacement; MCA, middle cerebral artery; oph, ophthalmic; PCOM, posterior communicating artery; s. Hyp, superior Hypophysial; Supracl, supraclinoid.