Fig. 1From: Zirconium-89-labelled rituximab PET-CT in orbital inflammatory diseaseExamples of 89Zr-rituximab PET/CT uptake. a Strong uptake in fusion image and PET-only image for the axial and coronal planes (arrows point at the lesion, SUVmax> 2.0; case 6). b Moderate uptake in fusion image and PET-only image (arrows point at affected muscles, SUVmax 1.0–2.0, case 5)Back to article page