Pelviureteric junction obstruction

Case contributed by Roberto Schubert
Diagnosis certain

Presentation

Incidental left hydronephrosis on ultrasound. No complaints.

Patient Data

Age: 25 years
Gender: Male

MR urography

mri
This study is a stack
Coronal
T2
This study is a stack
Axial renal
cortical phase
This study is a stack
Axial renal
parenchymal phase
This study is a stack
renal excretory
phase
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Info

Left sided hydronephrosis is seen with dilated and ballooned out left renal pelvis. Left pelviureteric junction is markedly narrowed with probably delayed contrast excretion into left ureter.

Case Discussion

This case demonstrates typical appearances of pronounced left PUJ obstruction, likely to be congenital. 

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