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Table 1 Checklist for CTA

From: Role of preoperative computed tomography angiographic anatomical considerations and their intraoperative interpretations in prediction of outcome in microsurgical clipping of ruptured anterior communicating aneurysm

Aneurysm morphometry

 Neck size

 Sac dimensions

Projection

Hypoplastic A1

Normal variations of Acom artery

Neck extending to ipsilateral A2 segment

A2-aneurysm angle

 Opened

 Closed (right–left)