Obstructed kidney with perinephric urinoma

Case contributed by Fakhry Mahmoud Ebouda
Diagnosis almost certain

Presentation

Persistent agonizing right renal pain.

Patient Data

Age: 60 years
Gender: Male

Mild to moderate hydronephrosis is seen on the right side. A small calculus measuring 5mm is seen in the pelvis on the right side which could represent a calculus in distal 3rd of the right ureter.

Fluid is seen around the right kidney, superiorly it is extending up to the subdiaphragmatic space and inferiorly it is extending up to the pelvis most likely represent urinoma formation. It is displacing the kidney anteriorly.

CT scan performed after insertion of right double J catheter to relieve of perinephric urinoma.

Case Discussion

Right perinephric urinoma is seen owing to obstructing calculus.

Follow up CT study done on few days later shows improvement after DJ catheter insertion into the right ureter.  

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