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Table 1. Cystic renal masses: ignore, excise or follow





Table 1. Cystic renal masses: ignore, excise or follow






Small amount Smooth

Wall or septum Milk of calcium

Associated enhancement

Thick Nodular

No enhancement


Sharp margin Homogeneous No enhancement < 3cm

25% extrarenal

Irregular margin Heterogeneous Enhancement Solid on US

Totally intrarenal


Thin Smooth No nodularity Small number

Thick Irregular Nodular Large number

'Greater than hairline'


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