Presentation
Left flank pain and fullness.
Patient Data
Age: 20 years
Gender: Female
From the case:
Severe ureteropelvic junction obstruction
![](https://prod-images-static.radiopaedia.org/images/55975332/110157_thumb.jpeg)
![This study is a stack](/packs/stack-YQKLCKBI.gif)
![](https://prod-images-static.radiopaedia.org/images/55975443/220165_thumb.jpeg)
![This study is a stack](/packs/stack-YQKLCKBI.gif)
![](https://prod-images-static.radiopaedia.org/images/55975537/330093_thumb.jpeg)
![This study is a stack](/packs/stack-YQKLCKBI.gif)
![](https://prod-images-static.radiopaedia.org/images/55975637/110079_thumb.jpeg)
![This study is a stack](/packs/stack-YQKLCKBI.gif)
![](https://prod-images-static.radiopaedia.org/images/55975711/110093_thumb.jpeg)
![This study is a stack](/packs/stack-YQKLCKBI.gif)
Download
Info
![](https://prod-images-static.radiopaedia.org/images/55975332/110157_big_gallery.jpeg)
Severe dilatation of the left renal pelvicalyceal system is accompanied by severe parenchymal atrophy and profound decreased renal function. The left ureter is not dilated.
Case Discussion
Left hydronephrosis without hydroureter due to severe ureteropelvic junction obstruction.