Geometry and Symmetry of Willis' Circle and Middle Cerebral Artery Aneurysms Development.

2.7 ± 0.7), measured at the M1 segment, which appeared in general larger on the aneurysm side than the contralateral one, showing a statistical trend.

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By understanding which variations may not be significant risk factors, we can potentially reduce unnecessary long-term follow-up imaging and associated anxiety for these patients. 4.1.

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