390912.fig.004a
(a)
390912.fig.004b
(b)
390912.fig.004c
(c)
390912.fig.004d
(d)
Figure 4: Fusion images combine procedural CT with MRI ((a) and (b) color images) and ultrasound (d) to display tumor target (red sphere (a) and (b) and red dot (d)). The tumor target is displayed in relation to the tracked needle location (cross hairs).