Fig. 7.

Metastatic renal cell carcinoma: a coronal reformat CECT showing the inferior vena cava (IVC) greatly expanded by tumour thrombus (arrows) with associated enlarged mediastinal nodes (asterisks). The primary renal tumour has been excised; b axial CECT showing enhancing lesion in the left gluteus maximus muscle in the same patient, which increased in size on interval CT studies, in keeping with a metastatic deposit; note the numerous venous collaterals in the anterior abdomen (short arrows) due to the IVC thrombus; c axial CECT shows a large lytic deposit in the lumbar spine (asterisk) in the same patient causing compromise of the spinal canal and cord (arrows)