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Table 1 Clinical and morphological characteristics of the patients

From: Supraclinoid internal carotid artery blister-like aneurysms: hypothesized pathogenesis and microsurgical clipping outcomes

Patient Age (years)/sex Symptoms Location Size (neck × dome) mm Growth Angiography Intraoperative visualizations ICA sclerosis
1 51/M SAH C6 anterior 3.64 × 2.16 No Hemispherical Bright red, covered with clot Medial wall
2 55/F SAH C7 anterolateral 4.71 × 3.93 No Hemispherical Reddish NM
3 52/M SAH C6-C7 anteromedial 4.65 × 3.45 No Irregular, bleb at dome Bright red, covered with clot Lateral wall
4 56/M SAH C6-C7 anterior 4.58 × 4.45 No Irregular, bleb at the anteromedial wall Reddish, covered with clot Local wall
5 43/F SAH C6-C7 anterior 3.27 × 2.88 Yes Hemispherical Reddish, covered with clot and fibrinous tissue No
8.24 × 6.63 Saccular
6 58/F SAH C6 anterior Sessile Yes Tapered Reddish, whitish rupture gap adhered to the left optic nerve Lateral wall
2.58 × 1.54 Tapered
7 73/M Headache, dizziness C6 anterolateral 3.98 × 3.42 No Irregular, bleb at the anteromedial wall Reddish, bright red bleb NM
8 59/M Mild brain infarct C6-C7 anteromedial 4.68 × 2.81 No Both hemispherical, proximal ICA stenosis Bright red and reddish heterogeneity Entire supraclinoid wall
C7 lateral 2.76 × 1.79 No Reddish base, bright red dome
9 39/F Recurrent dizziness C6 anterolateral 2.47 × 1.94 No Irregular, bleb at the anterolateral wall Reddish, bright red bleb Medial and lateral wall
10 47/F Headache C6 anterior 2.69 × 1.70 No Hemispherical Bright red Distal anterior wall
11 32/F Headache C6 anterolateral 4.66 × 2.70 No Irregular, bleb at the medial wall Reddish, bright red bleb No
12 31/F Headache C6 anterior 4.69 × 3.89 No Hemispherical Reddish base, bright red dome No
13 32/F Headache, diplopia C7 lateral 4.13 × 3.26 No Irregular, bleb at the posterolateral wall Bright red, an extremely thin bleb Proximal anterior wall
14 64/F Dizziness C6 anterolateral 2.46 × 2.07 Yes Hemispherical Reddish base and bleb Lateral and distal anterior wall
6.46 × 4.31 Irregular, bleb at the anteromedial wall
15 63/F Headache, dizziness C6 anterior 2.75 × 1.55 No Hemispherical Reddish NM
  1. The Bouthillier classification of internal carotid artery segments: C6, ophthalmic; C7, communicating
  2. F Female, M Male, NM Not mentioned