Horseshoe kidneys with obstructive primary megaureter and hydroureteronephrosis

Case contributed by Dr Mohammad A. ElBeialy


7 years old female child with urinary incontinence, recurrent urinary tract infection and right loin pain.

Patient Data

Age: 7 years
Gender: Female

  • Horseshoe kidneys with the renal ismuth is seen extending across the midline as well as malrotated both kidneys.
  • Moderate right hydronephrosis with significant thinning of its parenchyma.
  • Moderate right hydroureter with dilated ureter all through its course till the lower end with abrupt termination and return to a normal caliber just above the vesico-ureteric junction. No distal ureteric obstructing masses or stones.
  • No left hydronephrosis or hydroureter.
  • No renal masses.
  • Normal urinary bladder.

Case Discussion

Horseshoe kidneys with moderate right hydronephrosis and hydroureter as well as significant right renal parenchymal atrophy; most likely due to obstructive primary megaureter rather than refluxing primary megaureter or vesicoureteric reflux.

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Case information

rID: 28559
Published: 31st Mar 2014
Last edited: 16th Dec 2015
System: Urogenital
Inclusion in quiz mode: Included

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