Sandbox: DDx Kidney mass
- Middle aged patients
- Majority are asymptomatic
- May have hematuria , recurrent renal calculi, and recurrent UTI
- Often unremarkable
- 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