Pancreatic Ductal Stones

Ductal stones are a pathognomonic feature in patients with chronic pancreatitis.In 50-90%of patients，stones are detected at presentation.Although common，they are generally regarded as a consequence rather than the cause of chronic pancreatitis（Maydeo et al.2007；Ammann et al.1988）.Endoscopic therapy to remove pancreatic ductal stones should be considered if the patient has abdominal pain.By removing the downstream ductal obstruction，pancreatic juice outflow would be improved，leading to a reduction in ductal hypertension which is a contributary pain factor.(https://www.daowen.com)