Table 1:

Filling of the narrow-necked aneurysm

Aneurysm Filling (%)Aneurysmal Residue* (Reference)Silicon Protrusion
20 Coils onlyResidual aneurysmNo
40–50Residual aneurysmNo
50–60Residual aneurysmNo
60–70Residual aneurysmNo
70–80Residual neckNo
80–90Residual neckNo
90–100Residual neckNo
>100CompleteYes

  • * According to Jean Raymond grading scale.