Table 3.
Characteristics of patients who developed invasive cancer during surveillance
| Patient | Pathology at initial operation | Residual disease | Pathology of new lesion from FNA | Progression-free interval, months | Postoperative survival, months | Symptom of invasive disease | Re-resection |
|---|---|---|---|---|---|---|---|
| A | Low grade | None | Non-diagnostic | 61 | 175a | Abdominal pain | R0; curative resection |
| B | High grade (CIS) | None | Adenocab | 20 | 31 | None | Inoperable because of distant metastasis |
| C | High grade (CIS) | None | Benign IPMN | 99 | 132 | Abdominal | Inoperable because of local invasion |
| D | High grade (CIS) | Margin + low grade | Non-diagnostic | 36 | 62a | Recurrent pancreatitis | R1; vascular invasion |
a
Patient remains alive at current follow-up
b
FNA was performed in an omental lesion
FNA, fine needle aspiration; CIS, carcinoma in situ; IPMN, intraductal papillary mucinous neoplasm