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Figure 5: (a) Three-dimensional spin angiogram in frontal projection showing basilar top aneurysm incorporating bilateral superior cerebellar artery and right posterior communicating artery. (b) Digital subtraction angiography (DSA) lateral projection in late venous phase showing coil mass in aneurysm with stasis and layering of contrast. (c) Magnetic resonance angiography at 4 weeks - persistent flow signal in aneurysm. (d) DSA frontal projection at 6 months showing complete obliteration of the aneurysm with flow preserved in all branches

Figure 5: (a) Three-dimensional spin angiogram in frontal projection showing basilar top aneurysm incorporating bilateral superior cerebellar artery and right posterior communicating artery. (b) Digital subtraction angiography (DSA) lateral projection in late venous phase showing coil mass in aneurysm with stasis and layering of contrast. (c) Magnetic resonance angiography at 4 weeks - persistent flow signal in aneurysm. (d) DSA frontal projection at 6 months showing complete obliteration of the aneurysm with flow preserved in all branches