Follicular pancreatitis, report of a case clinically mimicking pancreatic cancer and literature review

We herein present a 71-year-old man who underwent pancreatoduodenectomy with the diagnosis of follicular pancreatitis. We could not completely deny malignancy by a preoperative imaging study. Endoscopic ultrasonography-guided fine needle aspiration biopsy demonstrated clusters of benign acinar cells and no proliferation of atypical lymphoid cells or rich plasma cells. Histologically, the prominent lymphoid follicle formation was seen in an...