Fig. 3From: A framework for continuous target tracking during MR-guided high intensity focused ultrasound thermal ablations in the abdomenThe custom-built phantom. a: A coronal and b: a sagittal slice of a T1-weighted 3D MR image acquired on the phantom. The two structures integrated in the phantom have a dark appearance in the images, while the polymer gel appears as bright. c: A 3D computer-generated rendering of the two structures inside the phantomBack to article page