Bosniak classification of renal cysts

Bosniak classification of renal cystic masses has five cathegories. It was devised by Dr. Morton A. Bosniak to separate lesions that require surgery (Bosniak III and IV) from those that can be safely followed-up or left alone.

Category Description
Bosniak I Benign simple cyst with thin wall without septa, calcifications, or solid components. It does not enhance with contrast, and has a density equal to that of water.
Bosniak II
Syndicate content