Pre-aortic Inter-azygos Veins: Two Case Reports

This report describes two cases of multiple anomalies associated with the azygos venous system. In Case 1, the hemiazygos vein drained the 9th to 11th left posterior intercostal veins. At T9 vertebral level, the interazygos vein passed obliquely and anterior to the aorta to drain into the azygos vei...

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Autores principales:	Ntombela,N. S, Lazarus,L, Satyapal,K. S
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2016
Materias:	Anomaly Azygos Venous system Pre-aortic inter-azygos vein
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000200014
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spelling	oai:scielo:S0717-950220160002000142016-07-13Pre-aortic Inter-azygos Veins: Two Case ReportsNtombela,N. SLazarus,LSatyapal,K. S Anomaly Azygos Venous system Pre-aortic inter-azygos vein This report describes two cases of multiple anomalies associated with the azygos venous system. In Case 1, the hemiazygos vein drained the 9th to 11th left posterior intercostal veins. At T9 vertebral level, the interazygos vein passed obliquely and anterior to the aorta to drain into the azygos vein on the right. In Case 2, the common venous trunk formed by the accessory hemiazygos and hemiazygos veins passed anterior to the aorta to drain into the azygos vein at T9 vertebral level. These findings represent pre-aortic inter-azygos veins, which is a rare variation of the azygos venous system. Pre-aortic inter-azygos veins can mimic pathologies such as enlarged lymph nodes, tumors and aneurysms leading to misinterpretation of radiographs, computerized tomography and magnetic resonance scans. Surgeons need to be aware of this type of variation so as to avoid injury of any anomalous passing venous vessels.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.34 n.2 20162016-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000200014en10.4067/S0717-95022016000200014
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Anomaly Azygos Venous system Pre-aortic inter-azygos vein
spellingShingle	Anomaly Azygos Venous system Pre-aortic inter-azygos vein Ntombela,N. S Lazarus,L Satyapal,K. S Pre-aortic Inter-azygos Veins: Two Case Reports
description	This report describes two cases of multiple anomalies associated with the azygos venous system. In Case 1, the hemiazygos vein drained the 9th to 11th left posterior intercostal veins. At T9 vertebral level, the interazygos vein passed obliquely and anterior to the aorta to drain into the azygos vein on the right. In Case 2, the common venous trunk formed by the accessory hemiazygos and hemiazygos veins passed anterior to the aorta to drain into the azygos vein at T9 vertebral level. These findings represent pre-aortic inter-azygos veins, which is a rare variation of the azygos venous system. Pre-aortic inter-azygos veins can mimic pathologies such as enlarged lymph nodes, tumors and aneurysms leading to misinterpretation of radiographs, computerized tomography and magnetic resonance scans. Surgeons need to be aware of this type of variation so as to avoid injury of any anomalous passing venous vessels.
author	Ntombela,N. S Lazarus,L Satyapal,K. S
author_facet	Ntombela,N. S Lazarus,L Satyapal,K. S
author_sort	Ntombela,N. S
title	Pre-aortic Inter-azygos Veins: Two Case Reports
title_short	Pre-aortic Inter-azygos Veins: Two Case Reports
title_full	Pre-aortic Inter-azygos Veins: Two Case Reports
title_fullStr	Pre-aortic Inter-azygos Veins: Two Case Reports
title_full_unstemmed	Pre-aortic Inter-azygos Veins: Two Case Reports
title_sort	pre-aortic inter-azygos veins: two case reports
publisher	Sociedad Chilena de Anatomía
publishDate	2016
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000200014
work_keys_str_mv	AT ntombelans preaorticinterazygosveinstwocasereports AT lazarusl preaorticinterazygosveinstwocasereports AT satyapalks preaorticinterazygosveinstwocasereports
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Pre-aortic Inter-azygos Veins: Two Case Reports

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