Fig. 8From: Tracked Foley catheter for motion compensation during fusion image-guided prostate procedures: a phantom studyAverage offset distance (OD) and comparison of results for trials 1 to 4. OD was defined as the distance between the phantom edge on ultrasound and perpendicular line striking the same location as seen on the contoured edge on magnetic resonance imaging on fusion images. Trials vary the presence/absence of the TFC and motion (see text)Back to article page