Sandbox: DDx Kidney mass

Revision as of 14:17, 5 November 2015 by Haytham Allaham (talk | contribs)
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  • 50 yo male
  • Asymptomatic
  • Incidental finding


  • Variable size
  • Clear to straw-colored fluid
  • Rupture of a simple renal cyst can cause hematuria and/or flank pain
  • Oval shape anechoic mass on U/S
  • Well-marginated lesion with thin smooth walls
  • Strong posterior acoustic enhancement










Nonmalignant causes

acquired cystic kidney disease  cystic renal dysplasia glomerulocystic kidney  mesothelial cysts nephronophthisis