IMPORTANT: We currently have a number of bugs related to image cropping and are actively trying to resolve them. In the meantime, we have disabled cropping. Apologies for any inconvenience. Stay informed: radiopaedia.org/chat

Duplex collecting system with obstructing calculus

Case contributed by Heba Abdelmonem
Diagnosis certain

Presentation

Right loin pain and hematuria

Patient Data

Age: 40-50 years
Gender: Female

The following findings are noted: 

  • incomplete fusion of the right kidney upper and lower pole moieties
  • malrotated lower right renal moiety
  • double collecting system of both right renal moieties draining into a single ureter with large obstructing stone 50 mm at the pelviureteric junction (PUJ) causing backpressure at both upper and lower moieties.
  • bilateral simple renal cysts, the largest on the right side
  • bilateral ovarian cysts

Case Discussion

MRI findings are consistent with a right duplex collecting system with single ureter and right PUJ obstructing stone.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.