Presentation
Wok up for flank pain.
Patient Data
Age: 35 years
Gender: Male
From the case:
Renal cyst - Bosniak class IV
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A 30×25 mm cystic lesion with thick enhancing walls and septations and some foci of calcifications is seen at the upper pole of the right kidney. A 10 mm eccentric enhancing nodule is also observed at the lateral aspect of the lesion.
Case Discussion
The right renal exophytic hyperdense cyst with a 10 mm enhancing eccentric soft tissue component, compatible with Bosniak class IV lesion (version 2019).