Confluent areas of pancreatic parenchyma that do not demonstrate enhancement after the administration of intravenous (IV) contrast material is known as:
Pseudocyst
walled off pancreatic necrosis
Acute peripancreatic fluid collection
Pancreatic necrosis
Pancreatic necrosis is defined as confluent areas of pancreatic parenchyma that do not demonstrate enhancement after the administration of (IV) contrast material. Pseudocyst is with a well defined wall with fluid inside. Walled off pancreatic necrosis happens after 4 weeks of acute pancreatic necrosis. Acute peripancreatic fluid collection is outside the pancreas. Ref: ACR Appropriateness Criteria,Acute Pancreatitis.