[18F]FAPI PET/CT-based scoring systems for patient assessment in IgG4-related disease.
18F-Fibroblast activation protein inhibitor ([18F]FAPI) positron emission tomography (PET)/CT is an emerging tool for detecting IgG4-related disease (IgG4-RD). However, standardised quantitative analysis and image scoring present ongoing challenges in patients with IgG4-RD. To e…