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Insights into Imaging
Fig. 15 | Insights into Imaging

Fig. 15

From: Active surveillance of small renal masses

Fig. 15

Bosniak IIF, differentiation between low and more complex lesions. a Axial contrast-enhanced CT depicting a large cyst with a solitary thick septum. The cyst should be followed because the septum is thick, but suspicion of malignancy is very low (arrow). b Axial contrast-enhanced CT demonstrating a cyst with multiple septa. This complex appearance does not completely rule out a possible cystic tumor (arrow)

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