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- Title
Agenesis of the internal carotid artery with paraclinoid-supraclinoid anastomosis and basilar artery-posterior communicating artery anastomosis diagnosed by magnetic resonance angiography.
- Authors
Uchino, Akira; Saito, Naoko; Kohyama, Shinya
- Abstract
The several types of agenesis of the internal carotid artery (ICA) are classified based on the aplastic segment of the ICA and types of collateral circulation. On magnetic resonance angiography, we incidentally found an extremely rare case in which the patient had 2 types of collateral circulation-anastomosis between the paraclinoid and supraclinoid segments of the contralateral ICA and anastomosis between the tip of the basilar artery and the posterior communicating artery. This is the first report of a case of ICA agenesis with 2 such types of collateral circulation.
- Subjects
CAROTID artery abnormalities; INTERNAL carotid artery; ARTERIOVENOUS anastomosis; COLLATERAL circulation; MAGNETIC resonance angiography
- Publication
Surgical & Radiologic Anatomy, 2015, Vol 37, Issue 6, p685
- ISSN
0930-1038
- Publication type
Article
- DOI
10.1007/s00276-014-1388-1