Edorium Journal of

Anatomy and Embryology

 
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Case Report
 
Absence of azygos vein with persistence of left vitelline vein
Bennett Futterman1, Melinda Danowitz2, Nikos Solounias3
1Associate Professor, Anatomy, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, NY, USA.
2Medical Student, Anatomy, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, NY, USA.
3Professor, Anatomy, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, NY, USA.

Article ID: 100017A04BF2016
doi:10.5348/A04-2016-17-CR-9

Address correspondence to:
Bennett Futterman
8000 Northern Boulevard Old Westbury NY
USA, 11568

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How to cite this article
Futterman B, Danowitz M, Solounias N. Absence of azygos vein with persistence of left vitelline vein. Edorium J Anat Embryo 2016;3:63–66.


Abstract
Anatomical anomalies often reflect congenital malformations or developmental defects. We describe a cadaver in which the azygos vein was absent, coupled with the presence of an accessory atrio-hepatic venous connection that we attribute to persistence of the embryologic left vitelline vein. The formation of the azygos vein from the supracardinal vein, and the regression of the left vitelline vein, both occur around seventh week of development. The left vitelline vein connects the left and quadrate lobes of the liver to the developing heart. Although the absence of the azygos vein and adult persistence of the left vitelline vein have been reported independently, this is the first description of these two variants in combination.

Keywords: Azygos, Congenital variation, Left hepatic vein, Vitelline


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Author Contributions
Bennett Futterman – Substantial contributions to conception and design, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Melinda Danowitz – Substantial contributions to conception and design, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Nikos Solounias – Substantial contributions to conception and design, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Guarantor of submission
The corresponding author is the guarantor of submission.
Source of support
None
Conflict of interest
Authors declare no conflict of interest.
Copyright
© 2016 Bennett Futterman et al. This article is distributed under the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any medium provided the original author(s) and original publisher are properly credited. Please see the copyright policy on the journal website for more information.



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