Sandbox: DDx Kidney mass: Difference between revisions

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* May have hematuria , recurrent renal calculi, and recurrent UTI   
* May have hematuria , recurrent renal calculi, and recurrent UTI   


* Often unremarkable  
* Often unremarkable
 
* RTA type 1
* Hypercalciuria


* Bilateral cystic dilatation of the collecting tubules on CT
* Bilateral cystic dilatation of the collecting tubules on CT

Revision as of 13:56, 5 November 2015

  • Middle aged patients
  • Majority are asymptomatic
  • May have hematuria , recurrent renal calculi, and recurrent UTI
  • Often unremarkable
  • RTA type 1
  • Hypercalciuria
  • Bilateral cystic dilatation of the collecting tubules on CT
  • Hyperdense papillae with clusters of medullary calcifications
  • "Paintbrush-like" appearance


  • Medullary cysts lined by cuboidal epithelium
  • Severe scarring and inflammation of the interstitium,
  • Not applicable








Nonmalignant causes

acquired cystic kidney disease  cystic renal dysplasia glomerulocystic kidney medullary sponge kidney mesothelial cysts nephronophthisis simple cysts