Fig. 5From: Optimising total knee replacement imaging: a novel 3D printed PET/CT anthropomorphic phantom for metal artefact simulationa left, middle, and right images show cortical bone compartment segmented from the top, middle, and bottom slices around the tibial prosthetic insert to calculate average HU. b shows the same slices used to calculate the average trabecular HU obtained from 3 circular ROIs from the 3 slicesBack to article page