Xanthogranulomatous pyelonephritis

Case contributed by David Cuete
Diagnosis probable

Presentation

History of urinary tract infection.

Patient Data

Age: 50 years
Gender: Male

CT KUB

ct
This study is a stack
Axial
non-contrast
This study is a stack
Coronal
non-contrast
This study is a stack
Sagittal
non-contrast
This study is a stack
non-contrast
This study is a stack
3D
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Info

CT scans through the kidneys show a staghorn calculus in an enlarged left kidney with low attenuation cystic spaces. Left perinephric inflammatory change. No ureteric calculus. No perinephric collection.

Case Discussion

Xanthogranulomatous pyelonephritis associated with long-term obstruction is uncommon. Like in this case, it typically occurs in the presence of a staghorn calculus.

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