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Emphysematous pyelonephritis

Case contributed by Dr Amit Parekh


Diabetic male presented with hematuria, fever and sepsis. The patient was also found to be in acute renal failure.

Patient Data

Age: 75 years
Gender: Male

Non contrast CT showing bilateral hydronephrosis, hydroureter and gas in the collecting systems of the right kidney, right ureter and bladder. There is free gas in the right perinephric space and marked perinephric stranding. The bladder is thick walled and catheterized. There is an incidental 42mm left hyperdense renal cyst (85 HU).

Case Discussion

Gas in the collecting system and perirenal space which classifies this as 3a according to the Huang-Tseng CT classification system of emphysematous pyelonephritis. The causative organism was found to be Pseudomonas.

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Case information

rID: 52761
Published: 24th Apr 2017
Last edited: 10th Sep 2020
System: Urogenital
Tag: urology
Inclusion in quiz mode: Included

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