Autoimmune Pancreatitis Type 1: A Rare Cause of Epigastric Pain, About a Case

Type 1 autoimmune pancreatitis is a rare autoimmune disorder, part of a systemic disease known as IgG4 related disease. Its diagnosis is based on a group of criteria defined according to an international consensus on the disease (ICDC criteria). This diagnosis is challenging, as the clinical, biological and radiological signs of the disease can be similar to those of pancreatic cancer. We report a case of type 1 AIP diagnosed after a suspicion of pancreatic cancer.