Renal abscess

Case contributed by Dr Bruno Di Muzio


Patients with a history of nephrolithiasis. Presents with vague complaints of discomfort in the left flank and hematuria. No fever and no dysuria.

Patient Data

Age: 68
Gender: Male

CT Abdomen and pelvis (selected images)

Cystic multiloculated mass involving the renal parenchyma in the middle and lower third of the left kidney. Intense inflammation in perirenal fat.

Case Discussion

Radiological findings suggest two main differential diagnoses: renal abscess or renal cell carcinoma. 

There is no clinical evidence of infection, except for leukocytosis later identified on a blood test. Perinephric inflammatory alterations suggests abscess and it`s extension to perirenal space

The case was confirmed and treated as abscess.

This would lend itself to a straightforward ultrasound-guided percutaneous abscess drainage.

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Case information

rID: 21695
Published: 12th Feb 2013
Last edited: 14th Aug 2019
System: Urogenital
Inclusion in quiz mode: Included

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