Evaluation of class II cystic renal masses proposed in Bosniak classification version 2019: a systematic review of supporting evidence.
Trevor A McGrathAhmed ShoeibMatthew S DavenportStuart G SilvermanMatthew D F McInnesNicola SchiedaPublished in: Abdominal radiology (New York) (2021)
The addition of six types of cystic renal masses to Class II in the Bosniak v.2019 proposal may be justified but based on limited evidence, with no evidence for 'homogeneous low attenuation masses that are too small to characterize' on CT, and thus considering them benign is in part based on expert opinion. Protocol Registration: PROSERO CRD42020196408.