fig7
From: Imaging
Figure 7. Indeterminate renal lesions at CT study. Contrast CT shows in the left kidney voluminous, partially exophitic, hypodense lesion with irregular margins and without enhancement in phases arterial (A) and venous phase (B). Greyscale and contrast-enhanced sonography (C-D) shows a lesion with mixed echo structure and after microbubble injection shows multiple vascularized septa (Bosniak 4)
