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Kidney CT Appearances

 

 


Bosniak 2F Cyst CT Findings

  • Wall and septa show minimal thickening
  • Irregular/nodular calcifications
  • Several septa present with minimal thickening and enhancement
  • Any complicated renal cyst >3cm is classified as Bosniak 2F
  • Careful following is needed

Bosniak 2F Cyst CT Findings

Other Information About Bosniak Cysts

Etiology:

  • Usually occur after age 40

Epidemiology:

  • Usually occur after age 40
  • Males are more likely to have malignant cysts

Presentation:

  • Usually asymptomatic

Prognosis:

  • Usually does not require treatment as most are Bosniak 1
  • Symptomatic cysts may need to be removed

Related Pearls: Renal Cysts and Cystic Disease

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