Renal cell carcinoma
From the case:
Renal cell carcinoma
CT
Axial renal cortical phase
This patient has a renal cell carcinoma (RCC) of the left kidney invading the renal vein.
Case Discussion
RCC has a strong propensity to venous tumour invasion which is seen up to 20% of cases, with extension into the IVC in 4 to 15% of cases. Renal vein invasion classifies RCC as TNM stage T3 and Robson stage 3A. Tumour thrombus is distinguished from bland thrombus by contrast enhancement on CT and MRI and colour flow on ultrasound. Other tumours with a strong tendency to venous invasion are hepatocellular carcinoma and adrenal carcinoma.
Credit: Dr Donna D'Souza.