Fig. 3From: Zirconium-89-labelled rituximab PET-CT in orbital inflammatory diseaseRituximab treatment response (case 7). a 89Zr-rituximab PET/CT fusion image with focal uptake in the lesion, white arrow points at the lesion. b PET only image, black arrow points at the lesion. Initial (c) and post-treatment MRI at 3Â months after treatment (d), illustrating treatment responseBack to article page