Bosniak renal cyst - type II

Case contributed by Dr Andrew Dixon

Triphasic Renal CT

CT

Left upper pole renal cyst with a single thin focus of wall calcification. Right lower pole renal cyst with a single thin septation. Both cysts fall into the 'minimally complex' Bosniak II category and can be confidently said to be benign without follow-up imaging required.  

Incidental findings include mesenteric panniculitis, mildly fatty liver and uterine fibroids. 

Diagram

Illustrative example of a Type 2 cyst.

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