Autoimmune Pancreatitis: CT Patterns and Their Changes after Steroid Treatment

Purpose: To retrospectively evaluate the computed tomographic (CT) patterns of autoimmune pancreatitis (AIP) and their changes after steroid therapy. Materials and Methods: Investigational review board approval was obtained, and the informed consent requirement was waived. The medical and imaging data of 21 patients (13 men, eight women; mean age, 47.5 years; age range, 25–79 years) with histopathologically proved AIP who underwent contrast...