Fig. 1
From: Long-term follow-up of CT-guided percutaneous radiofrequency ablation of T1 renal cell carcinoma
a In this, 44-year-old male patient, T2 weighted MRI shows an incidentally discovered hyperintense soft tissue mass measuring about 2.3 cm in diameter in middle zone of right kidney; stage T1a. b The mass enhances mildly following IV contrast administration. c Image during CT RFA of the RCC. d Image immediately following CT-guided RFA of the RCC shows heterogeneous densities of blood and air attenuations. e Image 1-month following the procedure; the mass does not show any enhancement after IV contrast administration denoting complete necrosis of the tumor tissue. f Image 1-month following the procedure, the mass appears totally hypointense secondary to complete necrosis of the tumor tissue