CT
Axial non-contrast
Axial renal cortical phase
Axial renal parenchymal phase
Axial renal excretory phase
Coronal renal cortical phase
Sagittal renal cortical phase
An 80 mm well-defined exophytic cystic mass is seen at the lower pole of the left kidney, which contains a few septal coarse calcified foci. After contrast media administration, the mass shows thick irregular wall enhancement with eccentric soft tissue components. (Bosniak class IV)
There is no sign of vascular extension or adjacent organ invasion.
Several cortical and parapelvic cysts are also observed.