Thursday, January 13, 2011

Unopacified Kidney on Intravenous Urography

Differential Diagnosis:
  • Obstruction:
  • Renal artery embolism: Look for cortical rim of contrast from capsular arteries
  • Renal vein thrombosis:
  • Absent or ectopic kidney:
  • Infection: Xanthogranulomatous pyelonephritis.
  • Tumor:
  • Multicystic dysplastic kidney:
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