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PT  - JOURNAL ARTICLE
AU  - Woodcock, Richard J.
AU  - Cloft, Harry J.
AU  - E. Dion, J.
TI  - Bilateral Type 1 Proatlantal Arteries with Absence of Vertebral Arteries
DP  - 2001 Feb 01
TA  - American Journal of Neuroradiology
PG  - 418--420
VI  - 22
IP  - 2
4099  - http://www.ajnr.org/content/22/2/418.short
4100  - http://www.ajnr.org/content/22/2/418.full
SO  - Am. J. Neuroradiol.2001 Feb 01; 22
AB  - Summary: The persistent proatlantal artery is a well-described communication between the carotid and vertebrobasilar system. However, persistence of bilateral proatlantal arteries is exceptionally rare. Although usually noted as an incidental finding, the presence of a proatlantal artery, particularly when bilateral, may result in unusual symptoms or may have implications for therapy. We report a case of bilateral proatlantal arteries, describe their embryology, and consider potential clinical implications of this finding.