Fig. 1From: Role of multiparametric MRI in characterization of complicated cystic renal massesDifferentiation between wall and septa irregularity from nodules by using the Bosniak classification of cystic renal masses, version 2019. Orange features have acute margins and blue features have obtuse margins. Bosniak III features are examples of focal irregular thickening. Bosniak IV features are examples of nodules (5)Back to article page