Unique Nutcracker Phenomenon Involving the Right Renal Artery and Portal Venous System

The nutcracker phenomenon is usually caused by compression of the left renal vein by the superior mesenteric artery anteriorly and the aorta posteriorly, although variations of this anatomy have previously been reported. We observed a nutcracker phenomenon in a 42-year-old female who underwent porta...

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Main Authors: Maximilian Stephens, Sarah Kate Ryan, Roger Livsey
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Case Reports in Vascular Medicine
Online Access:http://dx.doi.org/10.1155/2014/579061
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author Maximilian Stephens
Sarah Kate Ryan
Roger Livsey
author_facet Maximilian Stephens
Sarah Kate Ryan
Roger Livsey
author_sort Maximilian Stephens
collection DOAJ
description The nutcracker phenomenon is usually caused by compression of the left renal vein by the superior mesenteric artery anteriorly and the aorta posteriorly, although variations of this anatomy have previously been reported. We observed a nutcracker phenomenon in a 42-year-old female who underwent portal venous phase computed tomography of the body for oncologic workup. She had no documented proteinuria or hematuria. Multiplanar reconstructions demonstrated an enhancing left renal vein draining into the left ovarian vein without draining into the inferior vena cava due to external compression immediately before the renocaval junction. The left renal vein was compressed between the right renal artery and the portal vein. This type of nutcracker has not been previously reported in the literature and represents a new variation.
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spelling doaj-art-d59e8245a3f34539aa37b6ead03dfcd22025-08-20T03:19:33ZengWileyCase Reports in Vascular Medicine2090-69862090-69942014-01-01201410.1155/2014/579061579061Unique Nutcracker Phenomenon Involving the Right Renal Artery and Portal Venous SystemMaximilian Stephens0Sarah Kate Ryan1Roger Livsey2University of Queensland School of Medicine, Herston Road, Herston, Brisbane, QLD 4006, AustraliaUniversity of Queensland School of Medicine, Herston Road, Herston, Brisbane, QLD 4006, AustraliaUniversity of Queensland School of Medicine, Herston Road, Herston, Brisbane, QLD 4006, AustraliaThe nutcracker phenomenon is usually caused by compression of the left renal vein by the superior mesenteric artery anteriorly and the aorta posteriorly, although variations of this anatomy have previously been reported. We observed a nutcracker phenomenon in a 42-year-old female who underwent portal venous phase computed tomography of the body for oncologic workup. She had no documented proteinuria or hematuria. Multiplanar reconstructions demonstrated an enhancing left renal vein draining into the left ovarian vein without draining into the inferior vena cava due to external compression immediately before the renocaval junction. The left renal vein was compressed between the right renal artery and the portal vein. This type of nutcracker has not been previously reported in the literature and represents a new variation.http://dx.doi.org/10.1155/2014/579061
spellingShingle Maximilian Stephens
Sarah Kate Ryan
Roger Livsey
Unique Nutcracker Phenomenon Involving the Right Renal Artery and Portal Venous System
Case Reports in Vascular Medicine
title Unique Nutcracker Phenomenon Involving the Right Renal Artery and Portal Venous System
title_full Unique Nutcracker Phenomenon Involving the Right Renal Artery and Portal Venous System
title_fullStr Unique Nutcracker Phenomenon Involving the Right Renal Artery and Portal Venous System
title_full_unstemmed Unique Nutcracker Phenomenon Involving the Right Renal Artery and Portal Venous System
title_short Unique Nutcracker Phenomenon Involving the Right Renal Artery and Portal Venous System
title_sort unique nutcracker phenomenon involving the right renal artery and portal venous system
url http://dx.doi.org/10.1155/2014/579061
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AT sarahkateryan uniquenutcrackerphenomenoninvolvingtherightrenalarteryandportalvenoussystem
AT rogerlivsey uniquenutcrackerphenomenoninvolvingtherightrenalarteryandportalvenoussystem