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The transclival artery: a variant persistent carotid-basilar arterial anastomosis not previously reported.
BMJ Case Rep. 2016 Jul 13; 2016BC

Abstract

During embryological development, primitive anastomoses exist between the carotid and vertebrobasilar arteries. These anastomoses typically regress or are incorporated into the developing vasculature. Persistence beyond fetal development, however, results in vascular anomalies that alter haemodynamic flow with a predisposition for aneurysm formation. The carotid-vertebrobasilar anastomoses mirror the primitive communications and include (from most to least common) the trigeminal, hypoglossal, proatlantal and otic arteries. The hypoglossal and proatlantal variants extend through the hypoglossal canal or foramen magnum, respectively. We present a previously undescribed variant of these persistent fetal anastomoses, the 'transclival artery', which courses through its own transclival skull base canal/foramen.

Authors+Show Affiliations

Department of Radiology, David Grant Medical Center, Travis AFB, California, USA.Department of Radiology, UC Davis, Sacramento, California, USA.Department of Radiology, David Grant Medical Center, Travis AFB, California, USA Department of Radiology, UC Davis, Sacramento, California, USA.

Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

27413022

Citation

Kirkland, Jared D., et al. "The Transclival Artery: a Variant Persistent Carotid-basilar Arterial Anastomosis Not Previously Reported." BMJ Case Reports, vol. 2016, 2016.
Kirkland JD, Dahlin BC, O'Brien WT. The transclival artery: a variant persistent carotid-basilar arterial anastomosis not previously reported. BMJ Case Rep. 2016;2016.
Kirkland, J. D., Dahlin, B. C., & O'Brien, W. T. (2016). The transclival artery: a variant persistent carotid-basilar arterial anastomosis not previously reported. BMJ Case Reports, 2016. https://doi.org/10.1136/bcr-2016-012464
Kirkland JD, Dahlin BC, O'Brien WT. The Transclival Artery: a Variant Persistent Carotid-basilar Arterial Anastomosis Not Previously Reported. BMJ Case Rep. 2016 Jul 13;2016 PubMed PMID: 27413022.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The transclival artery: a variant persistent carotid-basilar arterial anastomosis not previously reported. AU - Kirkland,Jared D, AU - Dahlin,Brian C, AU - O'Brien,William T, Y1 - 2016/07/13/ PY - 2016/7/15/entrez PY - 2016/7/15/pubmed PY - 2017/2/14/medline KW - Aneurysm KW - Angiography KW - Artery KW - Blood Flow KW - Congenital JF - BMJ case reports JO - BMJ Case Rep VL - 2016 N2 - During embryological development, primitive anastomoses exist between the carotid and vertebrobasilar arteries. These anastomoses typically regress or are incorporated into the developing vasculature. Persistence beyond fetal development, however, results in vascular anomalies that alter haemodynamic flow with a predisposition for aneurysm formation. The carotid-vertebrobasilar anastomoses mirror the primitive communications and include (from most to least common) the trigeminal, hypoglossal, proatlantal and otic arteries. The hypoglossal and proatlantal variants extend through the hypoglossal canal or foramen magnum, respectively. We present a previously undescribed variant of these persistent fetal anastomoses, the 'transclival artery', which courses through its own transclival skull base canal/foramen. SN - 1757-790X UR - https://www.unboundmedicine.com/medline/citation/27413022/The_transclival_artery:_a_variant_persistent_carotid_basilar_arterial_anastomosis_not_previously_reported_ DB - PRIME DP - Unbound Medicine ER -