Prenatal hydronephrosis caused by aberrant renal vessels: a follow-up challenge. Reports of two cases

K Lenz1, J M Thorup, A Rabol

  • 1Department of Paediatric Surgery, Rigshospitalet, University of Copenhagen, Denmark.

With routine use of obstetric ultrasonography, fetal low-grade hydronephrosis is commonly detected, but may resolve spontaneously after birth. Two cases are presented to illustrate that in some cases such findings can express intermittent hydronephrosis caused by aberrant renal vessels. Renal deterioration later in childhood may be a consequence.

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