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Surgical and Radiologic Anatomy

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01.08.2015 | Anatomic Variations

Agenesis of the internal carotid artery with paraclinoid–supraclinoid anastomosis and basilar artery–posterior communicating artery anastomosis diagnosed by magnetic resonance angiography

verfasst von: Akira Uchino, Naoko Saito, Shinya Kohyama

Erschienen in: Surgical and Radiologic Anatomy | Ausgabe 6/2015

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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.

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Titel: Agenesis of the internal carotid artery with paraclinoid–supraclinoid anastomosis and basilar artery–posterior communicating artery anastomosis diagnosed by magnetic resonance angiography
verfasst von: Akira Uchino
Naoko Saito
Shinya Kohyama
Publikationsdatum: 01.08.2015
Verlag: Springer Paris
Erschienen in: Surgical and Radiologic Anatomy / Ausgabe 6/2015
Print ISSN: 0930-1038
Elektronische ISSN: 1279-8517
DOI: https://doi.org/10.1007/s00276-014-1388-1

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Agenesis of the internal carotid artery with paraclinoid–supraclinoid anastomosis and basilar artery–posterior communicating artery anastomosis diagnosed by magnetic resonance angiography

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