Kidneys

Incidental Algorithms

Renal Mass on noncon CT; Benign cyst if HU between -10 and 20 OR >= 70, unless heterogeneous

Renal Mass on contrast CT

Cystic Renal Mass on w/ and w/o CT, MRI, or CEUS

Solid Renal Mass or TSTC on w/ and w/o CT, MRI, or CEUS

Fat Containing Renal Mass

Supporting Info

Old Bozniak Criteria

2019 Bozniak Criteria

Enhancement Criteria

Incidental Renal Lesions - full PDF