Diverse spectrum of uncommon tissue involvement in IgG4-related diseases on 18F-FDG PET/CT

2000 null Objectives: null null IgG4 related disease (IgG4-RD) is a rare, multi-organ involving fibro-inflammatory disease that is categorized as an orphan disease. It is referred to as the great mimicker because of the diverse range of tissue involvement and widely varying clinical presentation, often overlapping with those of common malignancies. Accurate identification of IgG4-RD is vital as it has a very favorable response to medical...