Bosniak cyst - type IIF

Case contributed by Dr Ian Bickle


Non-simple cyst on ultrasound. Request for further assessment.

Patient Data

Age: 45 years
Gender: Male

Non contrast - thin calcification of the wall and septae.

Note the enhancement enhancement of the very upper septae on the nephrographic phases, which pushes this to a 2F.

Annotated image

Illustration of a type IIF.

Case Discussion

Type II Bosniak cyst - as evidence by thin (1MM) calcification of the wall and septae, but without internal high attenuation, enhancement or soft tissue components.

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