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 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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.