%0 Journal Article
%T Formation of the Azygos Vein
%A Alves
%A Elton Correia
%A Porci¨²ncula Junior
%A Wellington Rodrigues
%A Monte Bispo
%A Rodrigo Freitas
%A Sousa-Rodrigues
%A C¨¦lio Fernando de
%A da Rocha
%A Amauri Clemente
%J International Journal of Morphology
%D 2011
%I Scientific Electronic Library Online
%R 10.4067/S0717-95022011000100024
%X the aim of the present study was to determine the most common origin of the azygos vein. thirty cadavers male and female, white and non-white adult individuals of different ages fixed in 10% formaldehyde and dissected. all cadavers had an undisclosed clinical death and were donated to the universidade estadual de ci¨ºncias da sa¨²de de alagoa s, brazil. eleven different formations were found. the right subcostal vein was was only observed in 13 cases (43.33%); the azygos vein was formed by the confluence of the right subcostal and right ascending lumbar vein in three cases (10%); by the right subcostal vein with a contribution from the inferior vena cava (ivc) in three cases (10%); by the right subcostal with contribution from ivc and right ascending lumbar vein in three cases (10%); by the right and left subcostal veins in two cases (6.66%); by the right and left subcostal veins and contribution from the ivc in one case (3.33%); by the right and left subcostal veins and left accessory renal vein in one case (3.33%); by the left renal vein in one case (3.33%); by the right subcostal and left gonadal veins with contribution from the ivc in one case (3.33%); by the right subcostal and left renal veins in one case (3.33%); and composed by the continuation of the 11th posterior intercostal vein in one case (3.33%). based on the results, the right subcostal vein was the only structure with a significant presence in the formation of the azygos vein.
%K azygos vein
%K inferior vena cava inferior
%K anatomy.
%U http://www.scielo.cl/scielo.php?script=sci_abstract&pid=S0717-95022011000100024&lng=en&nrm=iso&tlng=en