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Review Case Reports
Carotid-anterior cerebral artery anastomosis: MR angiographic features and literature review.
- Akiro Uchino, Akihiro Sawada, Yukinori Takase, Takeshi Imaizumi, Ryoko Egashira, Muneaki Matsuo, and Sho Kudo.
- Department of Radiology, Saga Medical School, 5-1-1, Nabeshima, Saga 849-8501, Japan. uchino@post.saga-med.ac.jp
- Clin Imaging. 2004 Sep 1;28(5):377-80.
AbstractCarotid-anterior cerebral artery anastomosis is a rare anomaly of the anterior part of the circle of Willis. We report here magnetic resonance (MR) angiographic findings in 2 patients with this anomaly. MR angiographic source images are useful in evaluating the anatomical details of this anomaly. Including the 2 present cases, 27 patients with this anomaly have been reported in the English-language literature. Thirty anomalous arteries were found in the 27 patients (R/L/bilateral=22/2/3). The reason for the right-sided predominance is unknown.
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