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Diagram - Bosniak classification of renal cysts

Case contributed by Dr Matt Skalski
Modality: Diagram

This diagram depicts various renal cysts morphologies, listed in order by their potential for malignancy, using the Bosniak classification system.  The cysts in the top row (1 and 2) do not need further evaluation or monitoring. The cysts in the bottom row (2F, 3 and 4) should be followed (the "F" in 2F means it requires "followup") and require further evaluation and management. 

Case Discussion:

See article: Bosniak renal cyst classification

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