Which clinical history findings are characteristic of pediatric hydronephrosis and hydroureter?

Updated: Dec 16, 2020
  • Author: Dennis G Lusaya, MD; Chief Editor: Bradley Fields Schwartz, DO, FACS  more...
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Fetal hydronephrosis is a readily diagnosed finding on antenatal ultrasound examination and can be detected as early as the 12th to 14th week of gestation. [9]

Although renal pelvic dilatation is a transient, physiologic state in most cases, urinary tract obstruction and vesicoureteral reflux (VUR) are also causal. Most cases of antenatal hydronephrosis are not clinically significant and can lead to unnecessary testing of the newborn baby and anxiety for patients and healthcare providers.

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