Sandbox: DDx Kidney mass: Difference between revisions

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* Often unremarkable
* Often unremarkable


* Variable shaped echoic mass on U/S
* Variable shaped mass on U/S
* Thick irregular walls
* Thick irregular walls
* May contain soft tissues
* Absent posterior acoustic enhancement
* Absent posterior acoustic enhancement
* Vascularizations or septation present
* Vascularizations or septation present


* Cyst surrounded by a single layer of flattened , cuboidal, or atrophic epithelium
* Clear to straw-colored fluid





Revision as of 15:18, 5 November 2015

  • Incidental finding , 50 yo male
  • Asymptomatic
  • May have hematuria and flank pain if ruptured
  • Often unremarkable
  • Variable shaped mass on U/S
  • Thick irregular walls
  • May contain soft tissues
  • Absent posterior acoustic enhancement
  • Vascularizations or septation present









Nonmalignant causes

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