Fig 1. A 45-year-old woman presented with subarachnoid hemorrhage 6 days before this analysis.

A, Digital subtraction angiography (DSA) showed an aneurysm of anterior communicating artery () with spasm of the A1 segment (arrowhead).

B, Postembolization with Guglielmi detachable coils (GDCs), the aneurysm displayed subtotal occlusion ().

C, Follow-up DSA 3 months later showed relief of the spasm of A1 segment and reopening of the embolized aneurysm ().

D, After re-embolization with GDCs, the aneurysm was totally occluded ().