Sandbox: DDx Kidney mass: Difference between revisions

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* 40 yo patients 
* Fever, chills, night sweats, and abdominal pain
* Hematuria, pallor, and weight loss


* Abdominal pain
* Hematuria
* Polycythemia symptoms


* Palpable mass
* Costovertebral tenderness


* Arrangement of monotonous small blue embryonal epithelial cells
* Acinar, tubular, or sheetlike configuration
* Psammoma bodies
* Vimentin, pancytokeratin and cytokeratin-19


* Hyperattenuating heterogeneous mass on CT
* Elevated WBC count
* Unenhanced large hypovascular mass
* Elevated ESR and CRP
* Frequent foci of hemorrhage and necrosis
 
* Calcification
* 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