Table 4 Anterior communicating artery (ACoA) score for prediction of rupture.

From: Tobacco use and age are associated with different morphologic features of anterior communicating artery aneurysms

Points

Characteristics

− 2

Neck diameter > 3.6 mm

− 1

Ipsilateral A2-ACoA angle > 128

1

Flow angle > 130

4

Presence of daughter dome

4

Aspect ratio > 1.3

− 3 to 9

Range of possible points

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