Bear Paw Sign of Xanthogranulomatous Pyelonephritis on POCUS



Adult female with right flank pain, fever, leukocytosis, soft vitals, and dirty urine. Right renal sag video.  ?Diagnosis/differential.  

Answer: Xanthogranulomatous pyelo.  Urine culture-Proteus mirabilis. "Bear paw sign." Also had early perinephric/psoas abscess.  Underwent nephrectomy after stabilized. 



- Dr. Robert Jones @RJonesSonoEM



#XGP #Xanthogranulomatous #Pyelonephritis #BearPaw #Sign #POCUS #clinical #ultrasound #renal