Imaging Review of Intracranial Arterial Anatomic Variants

RadioGraphics review of intracranial arterial variants, illustrating normal anatomy and common anomalies on angiography and cross-sectional imaging to help radiologists avoid misdiagnosis and guide treatment planning.

• This educational review covers variants of the circle of Willis, middle cerebral artery, and other intracranial vessels with high-quality imaging examples.
• Designed for radiologists and trainees interpreting neurovascular studies, the article emphasizes differentiating variants from pathology.
• As a narrative pictorial review, it consolidates existing knowledge without new quantitative data or systematic analysis.

RadPigeon summaries are original and for information only. They are not clinical advice.