Résumé
Background Abdominal ultrasonography assesses the size, echotexture, shape, contour and adjacent structures of pancreas. Goal The goal of our study is to determining ultrasonography criteria of acute and chronic pancreatitis and developing algorithm of differential diagnosis. Objectives 1. To determine ultrasonography criteria of acute and chronic pancreatitis 2. To develop algorithms of differential diagnosis of acute and chronic pancreatitis Material and Method During the study period, 81 patients with acute pancreatitis, 66 patients with chronic pancreatitis has examined byultrasonography in Reference centre on Diagnostic Imaging named after R. Purev state laureate, people’s physician,hoporary professor of the State III nd Central Hospital,AchtanClinicalHospi tal,Central Clinic of Ulaanbaatar railway and Hepatological clinic centre of traditional medicine Result 48 (59.3%±5.5) patients with acute pancreatitis had reported pancreatic swelling /Exudative pancreatitis/, 18 (22.2%±466) had acute hemorrhagic pancreatitis, 15 (18.5%±463) had necrotizing pancreatitis. Conclusions 1. Determined ultrasonographic criteria of acute and chronic pancreatitis 2. Acute and chronic pancreatitis has diagnosed by ultrasonographic criteria and developed differential diagnosis algorithm.