Fig. 8
Pathologically proven primary renal lymphoma in a 69-year-old man. a Axial T1-weighted, b axial T2-weighted, c coronal T2-weighted, and d postcontrast nephrographic phase T1-weighted MR images show a relatively homogeneous left lower pole renal mass which is mildly hypointense on T1- and T2-weighted images and hypovascular (arrow). e Coronal fused FDG PET/ CT image shows the mass is characteristically hypermetabolic with marked FDG uptake (arrow)