Table 1:

Summary of 25 patients with internal carotid artery aneurysms evaluated by digital subtraction angiography (DSA) and computed tomogrAchAaphic angiography (CTA)

Patient No./Age (y)/Sex	Location on DSA	Detection of Aneurysm			Sac Size (mm)			Neck Size (mm)			Direction of Aneurysm		Branching Artery
Patient No./Age (y)/Sex	Location on DSA	VS-CTA	NS-CTA	MPR	CTA	MPR	DSA	CTA	MPR	DSA	CTA	DSA	CTA	MPR	DSA
1/75/F	OphA				3.8	3.6	4.0	3.5	3.6	3.5	Anterosuperior	Anterosuperior	OphA	OphA	OphA
2/70/F	Cave		×		5.0	4.3	5.0	4.5	3.2	3.0	Posteromedial	Posteromedial	None	None	None
3/65/M	AchoA				4.8	5.1	4.7	4.7	2.8	3.4	Posterolateral	Posterolateral	AchoA	AchoA	AchoA
4/67/F	Cave		×		6.5	6.3	6.7	5.4	4.9	4.8	Posteromedial	Posteromedial	None	None	None
5/79/F	Cavernous				24.4	24.8	25.7	11.2	10.6	10.1	Lateral	Lateral	None	None	None
6/69/F	AchoA				6.6	6.1	6.5	3.1	2.7	2.4	Posterolateral	Posterolateral	AchoA	AchoA	AchoA
7/61/F	PcomA				5.7	5.5	5.4	2.8	2.2	2.2	Posterolateral	Posterolateral	PcomA	PcomA	PcomA
	AchoA			×	2.3		2.4	2.2	*	1.5	Posterolateral	Posterolateral	AchoA		AchoA
8/55/F	Cave		×	×	3.6		3.6	3.0	*	2.7	Inferomedial	Inferomedial	None		None
9/51/F	AchoA			×	2.0		2.0	1.5	*	1.5	Posterolateral	Posterolateral	AchoA		AchoA
10/49/M	SHA		×		3.7	4.0	3.8	3.4	3.1	3.2	Medial	Medial	None	None	None
11/62/F	OphA				9.5	10.5	10.0	5.1	4.1	4.3	Anterosuperior	Anterosuperior	OphA	OphA	OphA
	Cave		×	×	2.7	*	3.1	1.9	*	1.6	Inferomedial	Inferomedial	None		None
	Cavernous		×	×	2.6	*	3.0	2.6	*	2.0	Superior	Superior	None		None
12/55/M	PcomA				6.8	6.4	6.5	3.4	3.3	2.8	Posterolateral	Posterolateral	PcomA	PcomA	PcomA
13/59/F	Cave		×		3.5	3.6	3.3	3.1	3.0	1.4	Posteromedial	Posteromedial	None	None	None
14/38/F	SHA				5.8	6.0	5.6	3.3	2.9	2.9	Medial	Medial	None	None	None
15/48/F	Cave		×		5.0	4.8	5.2	3.5	3.0	3.2	Medial	Medial	None	None	None
16/53/F	OphA				7.5	8.0	8.3	6.7	5.7	3.9	Superior	Superior	OphA	OphA	OphA
17/62/F	PcomA				5.0	4.7	4.8	3.2	3.0	3.1	Posterolateral	Posterolateral	PcomA	PcomA	PcomA
18/64/F	PcomA				5.6	5.8	5.9	2.9	2.9	2.8	Posterior	Posterior	PcomA	PcomA	PcomA
19/73/F	PcomA				7.6	8.0	7.9	4.0	3.6	3.7	Posterolateral	Posterolateral	PcomA	PcomA	PcomA
20/65/F	AchoA				4.5	4.6	4.4	2.8	3.3	1.9	Posterolateral	Posterolateral	AchoA	AchoA	AchoA
21/60/F	AchoA				6.1	6.5	6.3	3.9	4.3	3.1	Posterolateral	Posterolateral	AchoA	AchoA	AchoA
22/58/F	PcomA				4.3	4.1	4.0	3.1	2.9	2.6	Posterolateral	Posterolateral	PcomA	PcomA	PcomA
	AchoA				6.1	6.3	6.1	4.9	4.6	4.7	Lateral	Lateral	AchoA	AchoA	AchoA
23/57/M	Cave		×		5.1	5.5	5.3	3.6	3.4	3.1	Posteromedial	Posteromedial	None	None	None
24/51/F	Cave		×		4.1	4.0	4.2	3.5	3.0	3.0	Medial	Medial	None	None	None
25/31/F	OphA				4.3	3.2	3.3	4.2	3.3	2.3	Superior	Superior	OphA	OphA	OphA

Note:—VS indicates volume subtraction; NS, nonsubtraction; MPR, 2D multiplanar reformatted imaging; OphA, ophthalmic artery; AchoA, anterior choroidal artery; SHA, superior hypophyseal artery.