Sandbox: DDx Kidney mass: Difference between revisions

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* Incidental finding , 50 yo male
* Male patients on dialysis
* Asymptomatic  
* Asymptomatic  
* May have hematuria and flank pain if ruptured  
* May have roperitoneal hematuria with flank pain if ruptured  
* No family history of cystic diseases


* Often unremarkable


* Variable shaped mass on U/S
 
* Thick irregular walls
 
* May contain soft tissues
* Bilateral renal development of small fluid-filled cysts
* Absent posterior acoustic enhancement
* Kidneys are typically small in size
* Vascularizations or septation present
* Involve both the cortex and medulla
* Cystic hemorrhage and calcification
 
 
 
 
 
* Cysts surrounded by normal renal parenchyma  or interstitial fibrosis
* Surrounded by a single layer of cuboidal epithelial cells or multilayered epithelial lining
* Oxalate crystal deposition
 




Revision as of 15:52, 5 November 2015

  • Male patients on dialysis
  • Asymptomatic
  • May have roperitoneal hematuria with flank pain if ruptured
  • No family history of cystic diseases



  • Bilateral renal development of small fluid-filled cysts
  • Kidneys are typically small in size
  • Involve both the cortex and medulla
  • Cystic hemorrhage and calcification



  • Cysts surrounded by normal renal parenchyma or interstitial fibrosis
  • Surrounded by a single layer of cuboidal epithelial cells or multilayered epithelial lining
  • Oxalate crystal deposition










Nonmalignant causes

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

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