Fig. 3

Simulation findings suggest that the ablative electric field was not restricted to the prostate, and was seen penetrating peri-prostatic fat and muscle tissue. Neurovascular bundle and rectal tissues may be drawing the ablative electric field towards them and thereby affecting the size and shape of the ablation within the prostate. a The neurovascular bundle influenced the shape of the electric field in ablations performed in the periphery of the prostate (arrow) (patient 1). b The rectum was seen to be influencing the electric field of ablations performed centrally in the prostate (arrow)