Abstract
A ureteric ring is a smooth, concentric ring-like narrowing occurring in the upper third of the ureter. It is nonobstructive and may be transient and bilateral. There is a slight female preponderance. They are seen in all age groups and are common in the neonate together with transient changes. A ureteric ring has a characteristic appearance and is believed to result from contraction of circular muscle.
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Received: 17 March 1998/Accepted: 11 August 1998
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Dure-Smith, P., Wiley, III, T., Suh, R. et al. The ureteric ring. Abdom Imaging 24, 426–428 (1999). https://doi.org/10.1007/s002619900530
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DOI: https://doi.org/10.1007/s002619900530