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. 2017 Sep 30;10(6):553–559. doi: 10.1136/neurintsurg-2017-013448

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Unruptured left middle cerebral artery aneurysm. (A) 3D DSA shows the aneurysm (transverse diameter: 3.8 mm; height: 4.2 mm; neck: 2.4 mm). (B) One-year DSA (unsubtracted view) shows the WEB device. (C) One-year 3D-DSA shows a neck remnant.