The Incidental Renal Mass- Update on Characterization and Management
Radiol Clin North Am . 2021 Jul;59(4):631-646. doi: 10.1016/j.rcl.2021.03.011.
John J Hines Jr, Katherine Eacobacci, Riya Goyal
Renal masses are commonly encountered on cross-sectional imaging examinations performed for nonrenal indications. Although most can be dismissed as benign cysts, a subset will be either indeterminate or suspicious; in many cases, imaging cannot be used to reliably differentiate between benign and malignant masses. On-going research in defining characteristics of common renal masses on advanced imaging shows promise in offering solutions to this issue. A recent update of the Bosniak classification (used to categorize cystic renal masses) was proposed with the goals of decreasing imaging follow-up in likely benign cystic masses, and therefore avoiding unnecessary surgical resection of such masses.
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