Fig. 2
From: CT and MRI findings of cystic renal cell carcinoma: comparison with cystic collecting duct carcinoma
a-d. CRCC of left kidney. a Unenhanced CT scan showed a hypodense mass in the medulla, clear boundary, and showed an exogenous appearance (arrow). b, c Obvious enhancement was noted with mural soft-tissue nodules (white arrow) together with thickened enhancing internal septations (black arrow) on the cortex and medulla phases. d The tumor cells showed the cytoplasm ranges from clear to pale. The septa consist of fibrous tissue, densely collagenous(H&E stain; original magnification, ×400)