Sandbox: DDx Kidney mass: Difference between revisions

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* 10-30 yo sickle cell trait patients
* May have gross hematuria, back/flank pain, weight loss, and fever


* Palpable renal mass
* Fever, chills, night sweats, and abdominal pain
* Lymphadenopathy
* Hematuria, pallor, and weight loss


* Centrally located infiltrative mass invading the renal sinus
* Peripheral caliectasis
* Smaller peripheral satellite nodules
* Heterogeneous enhancement on CT
* Heterogeneous echotexture on US


* Solid, reticular, or tubular growth pattern
* Costovertebral tenderness
* Hyperchromatic nucleus with a prominent nucleoli
 
* Invasion of vessels and lymphatics
 
* Desmoplastic stroma, central intratumoral neutrophils  with a rim of lymphocytes
* Elevated WBC count
* Hemorrhagic, necrosis, and increased mitotic figures
* Elevated ESR and CRP
 
* Well defined hypoechoic area within the corticomedullary parenchyma on U/S
* Well defined mass of low attenuation with a thick, irregular wall or pseudocapsule on CT
 
* Not applicable
 
Angiosarcoma




Latest revision as of 20:52, 9 November 2015

  • Fever, chills, night sweats, and abdominal pain
  • Hematuria, pallor, and weight loss


  • Costovertebral tenderness


  • Elevated WBC count
  • Elevated ESR and CRP
  • Well defined hypoechoic area within the corticomedullary parenchyma on U/S
  • Well defined mass of low attenuation with a thick, irregular wall or pseudocapsule on CT
  • Not applicable

Angiosarcoma


Nonmalignant causes

anaplastic sarcoma clear cell sarcoma mesoblastic nephroma metanephric stromal tumor nephroblastomatosis / nephrogenic rests neuroblastoma oncocytoid carcinoma after neuroblastoma ossifying

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