Table 2

Histological diagnosis leading to upstaging or downstaging

Location of lesionCyst size (mm)Final diagnosisNature of management
Patients who were downstaged
1HOP35IPMNDecreased surveillance
2HOP32Post-inflammatory pseudocystDecreased surveillance
3HOP30IPMNDecreased surveillance
4HOP22IndeterminateDecreased surveillance
5HOP25IPMNDecreased surveillance
6HOP50Lymphoepithelial cyst*Decreased surveillance
7BOP90InflammatoryDecreased surveillance
8BOP45IPMNDecreased surveillance
9TOP33InflammatoryDecreased surveillance
10TOP12NETDecreased surveillance
11Uncinate35IPMNDecreased surveillance
12HOP40SCNDischarged
13BOP50SCNDischarged
14BOP35Lymphoepithelial cystDischarged
15BOP30Lymphoepithelial cystDischarged
16BOP20SCNDischarged
Patients who were upstaged
1HOP66MCNSurgery
2BOP50MCNSurgery
3BOP40MCNSurgery
4TOP90Indeterminate†Surgery
5TOP36MCNSurgery
6BOP55Malignant transformation of IPMNChemotherapy
7TOP20NETIncreased surveillance
8TOP32MCNIncreased surveillance
  • *A suspicion of a dermoid cyst remained and in view of the cyst size the patient joined the cyst surveillance pathway.

  • ‚ĆThe patient was a young woman and after counselling elected to undergo surgery.

  • BOP, body of pancreas; HOP, head of pancreas; IPMN, intraductal papillary mucinous neoplasm; MCN, mucinous cystic neoplasm; NET, neuroendocrine tumour; SCN, serous cystic neoplasm; TOP, tail of pancreas.