Fact-sheet: Simple cortical renal cyst


Updated on 03/26/2020 at 1:28 PM

Note : 0/10

View all RADEOS cases associated with this fact-sheet

Definition

Fluid-filled cavity arising from the renal cortex.

Clinical features

Often asymptomatic, incidentally discovered on imaging.

Ultrasound

Rounded, anechoic, homogeneous formation with posterior enhancement, regular well-defined margins, and a wall less than 1 mm thick.

CT

Homogeneous, hypodense rounded lesion.

MRI

T2: homogeneous hyperintensity.

Classification

Bosniak I classification

Differential diagnosis

Atypical renal cyst, renal cell carcinoma.