{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,20]],"date-time":"2026-06-20T01:41:46Z","timestamp":1781919706343,"version":"3.54.5"},"reference-count":38,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2015,3,19]],"date-time":"2015-03-19T00:00:00Z","timestamp":1426723200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Vet Radiology Ultrasound"],"published-print":{"date-parts":[[2015,7]]},"abstract":"<jats:p>Preureteral vena cava (circumcaval ureter, retrocaval ureter) occurs in a third of the feline population and has been associated with ureteral strictures in humans. The aim of this retrospective cross\u2010sectional study was to describe the contrast\u2010enhanced multidetector row computed tomographic (MDCT) characteristics of presumed preureteral vena cava in a group of cats. Medical records from two institutions located in different continents were searched from 2010\u20132013 for cases with complete contrast\u2010enhanced MDCT examinations of the abdomen (i.e. included the entire course of the ureters and prerenal and renal segments of the caudal vena cava) and a diagnosis of preureteral caudal vena cava. For cases meeting inclusion criteria, CT scan data were retrieved and characteristics of the preureteral caudal vena cava were recorded. Presence of concomitant renal or ureteral diseases was also recorded. A total of 272 cats had contrast\u2010enhanced abdominal CT scans during the study period and of these, 68 cats (22.43 \u00b1 4.96%) had a diagnosis of presumed preureteral vena cava. In all affected cats, a \u201creverse\u2010J ureter\u201d was observed, i.e. a ureter running medially at the level of L4\u20135, passing dorsally to the caudal vena cava and then exiting ventrally between the caudal vena cava and aorta returning to its normal position. Having a preureteral vena cava resulted in an increased risk for concurrent urinary signs (OR = 3.00; CI: 95%; 1.28\u20136.99; <jats:italic>P<\/jats:italic> = 0.01). Findings supported the use of contrast\u2010enhanced MDCT for characterizing morphology of preureteral vena cava and its relation with ureters in cats.<\/jats:p>","DOI":"10.1111\/vru.12251","type":"journal-article","created":{"date-parts":[[2015,3,19]],"date-time":"2015-03-19T05:19:15Z","timestamp":1426742355000},"page":"359-366","source":"Crossref","is-referenced-by-count":17,"title":["MULTIDETECTOR\u2010ROW COMPUTED TOMOGRAPHIC CHARACTERISTICS OF PRESUMED PREURETERAL VENA CAVA IN CATS"],"prefix":"10.1111","volume":"56","author":[{"given":"Pascaline","family":"Pey","sequence":"first","affiliation":[{"name":"Department of Clinical Sciences, Facult\u00e9 de M\u00e9decine V\u00e9t\u00e9rinaire, Universit\u00e9 de Montr\u00e9al 3200 rue Sicotte  J2S 2M2 Saint\u2010Hyacinthe Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Oriana","family":"Marcon","sequence":"additional","affiliation":[{"name":"San Marco Veterinary Clinic  Via Sorio 114\/c 35141 Padua 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