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FIG 1. Ruptured aneurysm originating from anterior communicating artery.
A, DSA image, oblique projection, right internal carotid injection, shows the aneurysm (arrowhead) before embolization.
B, DSA image, semiaxial projection, right internal carotid injection 3 months after treatment with electrolytically detachable coils, shows remnant cavity (arrows) in the neck area.
C, MR angiogram, targeted coronal MIP reconstruction, shows faint signal intensity between the proximal anterior cerebral arteries (large arrow), which was not interpreted as an aneurysmal remnant. Note the local encroachment of the anterior cerebral arteries (small arrows).
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