What is the basis for treatment selection for hydronephrosis and hydroureter in infants?

Updated: Dec 16, 2020
  • Author: Dennis G Lusaya, MD; Chief Editor: Bradley Fields Schwartz, DO, FACS  more...
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The management approach to infants with antenatal hydronephrosis is based on the confirmation of persistent postnatal hydronephrosis and the following two predictive factors:

  • Bilateral involvement

  • Severe hydronephrosis: Fetuses with a renal pelvic diameter greater than 15 mm during the third trimester are at the greatest risk for significant renal disease

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