Sandbox: DDx Kidney mass: Difference between revisions

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* Infants and children
* Abdominal discomfort, polyuria, polydipsia, and hypertension
* Oligohydramnios, respiratory distress, and Potter sequence
* ESRD, intracranial hemorrhage, congenital hepatic fibrosis
* Bilateral cystic abdominal mass
* Marked abdominal distention
* Elevated serum creatinine and  BUN levels
* Serum albumin level < 3.5 g/dL
* Microhematuria
* Elevated maternal alpha fetoprotein
* Enlarged echogenic kidneys
* Multiple bilateral microcysts, size <2cm
* Poor corticomedullary differentiation
* PKHD1 gene mutation
* Chromosome 6p


* 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==
==Nonmalignant causes==
acquired cystic kidney disease autosomal dominant polycystic kidney disease autosomal recessive polycystic kidney disease cystic renal dysplasia glomerulocystic kidney medullary sponge kidney mesothelial cysts nephronophthisis simple cysts
anaplastic sarcoma clear cell sarcoma mesoblastic nephroma metanephric stromal tumor nephroblastomatosis / nephrogenic rests neuroblastoma oncocytoid carcinoma after neuroblastoma ossifying

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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