Fig. 14

Male patient 65 years old diagnosed and proven by histopathology as renal non-Hodgkin lymphoma. a Axial contrast enhanced CT (CECT) of the abdomen showing diffusely enlarged hypo dense non enhancing left kidney (red arrow). b Axial PET/CT showing avid FDG uptake of the infiltrated left kidney (red arrow) previously seen on CECT. c Axial CECT of the chest showing enlarged mediastinal lymph nodes (blue arrows) with no osseous lesion could be detected. d Axial PET/CT showing avid FDG uptake of the enlarged mediastinal lymph nodes (blue arrows), with bilateral costal focal bone marrow lesions (yellow arrows) not seen on CECT