Fig. 3

Endoscopic ultrasound images showing a pancreatic head with a picture of chronic pancreatitis “hyperechoic strands and lobulations” (A, B). Cytopathological examination of EUS-guided fine needle aspiration revealed a diagnosis of autoimmune pancreatitis (C, D) with dense fibrosis with scattered mixed chronic inflammatory cells. The inflammatory cells are formed mainly of lymphocytes with scattered plasma cells and some eosinophils