Preferred Label : bear paw sign;
Definition : Enlarged kidney with replacement of renal parenchyma by low-attenuation collections
in a ?hydronephrotic? pattern without dilatation of the renal pelvis and infundibula;
resembles the pads and fur on a bear's paw. Suggests xanthogranulomatous pyelonephritis.;
Source : RadioGraphics 2004;24:S247-S280;
Origin ID : RID35035;
Associated condition(s)
Enlarged kidney with replacement of renal parenchyma by low-attenuation collections
in a ?hydronephrotic? pattern without dilatation of the renal pelvis and infundibula;
resembles the pads and fur on a bear's paw. Suggests xanthogranulomatous pyelonephritis.
