Preoperative differentiation of chromophobe renal cell carcinoma from oncocytoma: Aorta-lesion-attenuation difference on multiphasic multidetector computed tomography.

627Background: Differentiation of benign oncocytoma from chromophobe renal cell carcinoma (chRCC) remains a challenge. This study aimed to investigate whether Aorta-lesion-attenuation difference (A...