Sandbox: DDx Kidney mass: Difference between revisions

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* Present at birth
* Fever, chills, night sweats, and abdominal pain
* Haematuria
* Hematuria, pallor, and weight loss


* Palpable abdominal mass


* Fetal hypercalcaemia
* Costovertebral tenderness


* Connective tissue growing between nephrons replacing most of the renal parenchyma
* Cellular clusters of spindle cells
* Mild nuclear pleomorphism
* Increased mitotic activity
* No blastema


* Antenatal U/S
* Elevated WBC count
* Well-defined mass with low-level homogeneous echoes
* Elevated ESR and CRP
* Concentric echogenic and hypoechoic rings
* Increased vasculairty
* Polyhydramnios


* 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


* t(12;15)
* Not applicable
* ETV6-NTRK3 gene fusion
 
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