Lobar nephronia

Case contributed by Frank Gaillard
Diagnosis almost certain


Fever and flank pain

  • Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

Wedge of poorly perfused renal parenchyma: lobar nephronia

Case Discussion

Lobar nephronia refers to an intermediate stage between acute pyelonephritis andrenal abscess, and is a focal region of interstitial nephritis. 

It appears as a wedge of poorly perfused renal parenchyma, without a cortical rim sign.

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