Proportion of Variant Anatomy of the Circle of Willis and Association with Vascular Anomalies on Cerebral CT Angiography

<p>Axial MIP image showing combined type A anterior circulation variant and type E posterior circulation variant.</p>

Radiology Research and Practice

Figure 3: Proportion of Variant Anatomy of the Circle of Willis and Association with Vascular Anomalies on Cerebral CT Angiography 