Pancreatic intraductal tubulopapillary neoplasm (ITPN)


Pancreatic intraductal tubulopapillary neoplams (ITPN) are rare tumors of the pancreas.

According to recent WHO classification, intraductal pancreatic neoplasms are classified as

The ITN class of tumors is much more rare than the IPMN class of tumors, and imaging findings in ITN tumors are still being fully determined.

One imaging finding suggested for ITPNs is a "cork-in-bottle" appearance on CT and MRI. The soft tissue "cork" plugs the main pancreatic duct "bottle", causing dilatation of the upstream main pancreatic duct.

The diagnosis was made in the patient above after excision of the tumor.