Background: The aim of this study was to elucidate the association of pancreatic fluid cytology with intrapancreatic recurrence of intraductal papillary mucinous neoplasms (IPMNs).
Materials And Methods: A total of 68 patients with IPMN who underwent pancreatectomy and obtained cytologic analysis of pancreatic fluid at Jichi Medical University Hospital were included in this study. Computed tomography scan and magnetic resonance cholangiopancreatography were performed preoperatively. Endoscopic retrograde cholangiopancreatography was used to obtain pancreatic fluid. The association of recurrence with variables was determined by logistic regression multivariate analysis.
Results: Class V cytology was found in 7/68 patients preoperatively. Metachronous intrapancreatic recurrences occurred in 6/68 patients, including one branched type, main pancreatic duct type in two and mixed pancreatic duct type in three. Four of seven patients with class V cytology developed intra-pancreatic recurrences as a new lesion. Class V cytology was significantly associated with intrapancreatic recurrence, compared to those with class IV or lower cytology. In univariate analysis, patients with pathological findings with high-grade dysplasia or adenocarcinoma (P = 0.0392, odds ratio (OR) 10.2, 95 % confidence interval (CI) 1.12-93.6) and class V pancreatic fluid cytology (P = 0.0005, OR 38.7, 95 % CI 4.94-302) were significant risk factors. In multivariate analysis, class V pancreatic fluid cytology was significantly associated with developing intrapancreatic recurrence (P = 0.0149, OR 22.7, 95 % CI 1.83-279).
Conclusion: Preoperative class V pancreatic fluid cytology is associated with intra-pancreatic recurrence after resection of IPMN.
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| http://dx.doi.org/10.1016/j.pan.2025.03.002 | DOI Listing |
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