Abstract
Introduction
Retrocaval ureter is a congenital abnormality of the right ureter, which has been shown, in rare cases to cause clinical symptoms, mainly due to the development of ureterohydronephrosis.
Purpose
The purpose of this article is to identify the prevalence of the retrocaval ureter, and to emphasize its clinical and surgical importance.
Design
A meta-analysis of prevalence, on cases obtained from PubMed, Web of Science, and Scopus databases.
Results
A total number of 13 studies contained data that allowed us to estimate the prevalence of the retrocaval ureter, which was identified overall in 9 cases, out of 18,493 subjects. The overall prevalence of retrocaval ureter was 0.13%, with a 95% confidence interval between 0.06 and 0.27%. There was no publication bias, all studies being under the funnel.
Conclusions
The overall prevalence of retrocaval ureter is 0.13%. Even if this is obviously a rare condition, its presence must be suspected by practitioners, especially in the presence of urological symptoms without a clear cause.
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All authors participated equally in the design of the study, drafting the manuscript, and researching relevant information, and agreeing with the final version. The statistical analysis was conducted by SH and IN.
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Hostiuc, S., Rusu, M.C., Negoi, I. et al. Retrocaval ureter: a meta-analysis of prevalence. Surg Radiol Anat 41, 1377–1382 (2019). https://doi.org/10.1007/s00276-019-02269-w
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DOI: https://doi.org/10.1007/s00276-019-02269-w