There are no reliable characteristic signs for the different cystic pancreatic lesions in conventional ultrasound ... large cysts (in most cases < 5 cm). Pseudocysts are mostly echo-free and ...

Pancreatic pseudocyst, the most common cystic lesion of the pancreas, is a localized collection of fluid rich in amylase within or adjacent to the pancreas and enclosed by a nonepithelialized wall ...