Study of the Association Between an Anomalous Superior Vena Cava and Horseshoe Kidney

Background: The incidence of inferior vena cava anomalies in patients with horseshoe kidney is higher than that reported in the general population. As far as we know, no studies have reported the incidence and variations of superior vena cava (SVC) anomalies using multidetector-row computed tomograp...

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Bibliographic Details
Published in:Circulation Journal 2012, Vol.76(5), pp.1253-1258
Main Authors: Ichikawa, Tamaki, Sekiguchi, Tatsuya, Kawada, Shuichi, Koizumi, Jun, Endo, Jun, Yamada, Yuri, Ito, Chihiro, Sugiyama, Makoto, Terachi, Toshiro, Usui, Yukio, Torigoe, Kojun, Imai, Yutaka
Format: Article
Language:English
Subjects:
Aged
Computed tomography
Female
Horseshoe kidney
Humans
Kidney - abnormalities
Kidney - diagnostic imaging
Kidney Diseases - complications
Kidney Diseases - diagnostic imaging
Kidney Diseases - epidemiology
Male
Middle Aged
Multidetector Computed Tomography
Superior vena cava
Vascular Diseases - complications
Vascular Diseases - diagnostic imaging
Vascular Diseases - epidemiology
Vena Cava, Superior - abnormalities
Vena Cava, Superior - diagnostic imaging
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Summary:Background: The incidence of inferior vena cava anomalies in patients with horseshoe kidney is higher than that reported in the general population. As far as we know, no studies have reported the incidence and variations of superior vena cava (SVC) anomalies using multidetector-row computed tomography (MDCT) in patients with horseshoe kidney. Methods and Results: Using MDCT, 71 patients with a horseshoe kidney (group A: 45 males, 26 females; mean age, 60.1±10.2 years) and 2,292 patients without a horseshoe kidney (group B: 1,385 males, 907 females; mean age, 61.1±13.5 years) were retrospectively evaluated for the incidence and variations of SVC anomalies, and the incidence of an anomalous SVC was compared between groups. An anomalous SVC was identified in 3 group A patients (4.2%) (double SVC, n=2; persistent left SVC without a right SVC, n=1) and 5 group B patients (0.22%) (double SVC, n=3; persistent left SVC without a right SVC, n=2). MDCT revealed a significantly higher incidence of anomalous SVC in patients with a horseshoe kidney than in those without a horseshoe kidney (P
ISSN:1346-9843
1347-4820
DOI:10.1253/circj.CJ-11-0874