Figure 7From: RF tumor ablation with internally cooled electrodes and saline infusion: what is the optimal location of the saline infusion? Typical longitudinal section of the coagulation obtained for a perfusion distance of 4 mm. Specimen in longitudinal section of the coagulation obtained by an internally cooled electrode combined with a perfusion distance of 4 mm. In this specimen a small irregular area of char tissue was observed (arrow) (scale in cm).Back to article page