IMPORTANT: We currently have a number of bugs related to image cropping and are actively trying to resolve them. In the meantime, we have disabled cropping. Apologies for any inconvenience. Stay informed: radiopaedia.org/chat

Bosniak cyst - type II

Case contributed by Ian Bickle
Diagnosis almost certain

Presentation

Renal ultrasound for urolithiasis.

Patient Data

Age: 50 years
Gender: Male
ultrasound

Lower pole cyst with a calcific component, including within the cyst wall.

Case Discussion

Bosniak renal cyst classification

Bosniak Cyst Type 2

Minimally complex, single thin (< 1mm) septations, thin Ca++; non-enhancing high-attenuation (due to to proteinaceous or hemorrhagic fluid) renal lesions of less than 3 cm are also included in this category; these lesions are generally well marginated.

Work up : nil% 

Malignant : ~ 0 

Beautiful diagrams of cyst types -  http://radiopaedia.org/cases/diagram-bosniak-classification-of-renal-cysts

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.