title: Evaluation of the left renal vein variations and inferior vena cava variations by means of helical computed tomography.
abstract: OBJECTIVE
  To evaluate the percentages of the left renal vein (LRV) variations and inferior vena cava (IVC) variations as well as the effect of gender on their frequencies.
  
  
  METHODS
  Contrast-enhanced abdominal helical computed tomography (CT) examinations of 1204 patients were retrospectively evaluated.
  
  
  RESULTS
  The correspondent percentages of the total LRV variations, retroaortic left renal vein (RLRV), and circumaortic LRV were 5.2%, 3.1%, and 2.1%, respectively. A statistically significant correlation was found between RLRV variation and gender (P=.036).
  
  
  CONCLUSIONS
  Helical CT is an efficient, fast, easily applicable, and reliable imaging modality in demonstration of LRV variations and IVC variations.
authors.affiliation: Department of Radiology, Ministry of Health, Diskapı Yildirim Beyazit Training and Research Hospital, Ankara, Turkey. alperdilli@yahoo.com
authors.forename: Alper
authors.initials: A
authors.lastname: Dilli
authors.forename: Umit Yasar
authors.initials: UY
authors.lastname: Ayaz
authors.forename: Hatice
authors.initials: H
authors.lastname: Kaplanoğlu
authors.forename: Hakan
authors.initials: H
authors.lastname: Saltas
authors.forename: Baki
authors.initials: B
authors.lastname: Hekimoglu
mesh_terms: D000015:Abnormalities, Multiple / Q000000981:diagnostic imaging* / Q000453:epidemiology*; D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010690:Phlebography; D015995:Prevalence; D012082:Renal Veins / Q000002:abnormalities* / Q000000981:diagnostic imaging*; D015203:Reproducibility of Results; D018570:Risk Assessment; D012680:Sensitivity and Specificity; D036542:Tomography, Spiral Computed / Q000706:statistics & numerical data*; D014421:Turkey / Q000453:epidemiology; D054079:Vascular Malformations / Q000000981:diagnostic imaging / Q000453:epidemiology; D014682:Vena Cava, Inferior / Q000002:abnormalities* / Q000000981:diagnostic imaging*; D055815:Young Adult