Abdomen, Biliary Tract / Gallbladder, Pancreas, CT, MR, PET-CT, Diagnostic procedure, Inflammation
R. Jyani, S. K. Puri, A. K. Chaturvedi, J. Khoda, M. KM
Radiologists should be familiar with the spectrum of its imaging & clinical features in various organ systems to avoid a delay in the correct diagnosis.
Knowledge of the system-wise pattern of presentation of IgG4 related diseases on imaging helps in making accurate and timely diagnosis.
A low threshold should be kept to suggest confirmatory investigations to prevent unnecessary surgery as IgG4 disease can simulate malignancy.
The disease shows a good response to steroid treatment making prompt diagnosis important and to prevent progression.