ArticleJournal of gastrointestinal oncology2024
Concomitant or antecedent intraductal papillary mucinous neoplasm is not a prognostic factor in resected pancreatic cancer.
Article in Journal of gastrointestinal oncology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Intraductal papillary mucinous neoplasm (IPMN)-associated pancreatic cancer is becoming a common subtype of pancreatic cancer found in resected specimens. The prognostic of this subtype is still under evaluation. The study aims to evaluate the prognosis of IPMN-associated pancreatic adenocarcinoma compared to the conventional pancreatic adenocarcinoma. Methods: In this study, patients with resected pancreatic neoplasms and IPMN treated at Hospital Israelita Albert Einstein, from January 2016 to December 2020, were analyzed. Overall survival (OS) was estimated using the Kaplan-Meier method, and correlations between the variables of interest and the disease specific OS was assessed by multivariate analysis. Results: Of 187 patients undergoing resection for pancreatic adenocarcinoma or IPMN, 125 (67%) had pancreatic adenocarcinoma, 33 (18%) had IPMN-associated pancreatic adenocarcinoma, and 29 (16%) had IPMN. Resected IPMN was associated with long-term OS for most of the patients. Similar OS was identified in this study in upfront resected pancreatic cancer associated or not with IPMN. No statistical differences in median OS were identified between resected pancreatic adenocarcinoma and IPMN-associated pancreatic adenocarcinoma (48 Conclusions: Our findings confirm that resected pancreatic cancer has a poor prognosis and IPMN-associated pancreatic adenocarcinoma has the same prognosis as a conventional pancreatic adenocarcinoma. More than half of the cases of IPMN-associated adenocarcinoma already had positive lymph nodes. The impact of neoadjuvant treatment in this group of patients should be investigated in larger cohorts.
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