Observational studyAnnals of surgical oncology2025
Incidence and Outcomes of Intraductal Oncocytic Papillary Neoplasm-Derived Pancreatic Cancer Compared with Tubular and Colloid Intraductal Papillary Mucinous Neoplasm-Derived Pancreatic Cancer: An International Multicenter Retrospective Study.
Observational study in Annals of surgical oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed.
- Does ductal subtype predict outcomes after resection of IPMN-derived pancreatic cancer? An international multi-center retrospective study.HPB : the official journal of the International Hepato Pancreato Biliary Association · 2026Article
- Colloid Carcinoma of the Pancreas: A Distinct and Less Aggressive Entity in the Spectrum of Pancreatic Malignancies.Annals of surgical oncology · 2026Article
- Case Report: Metachronous oncocytic and colloid carcinoma arising from pancreatic intraductal neoplasms over four decades.Frontiers in oncology · 2026Article
- ASO Author Reflections: Old Truths, New Data: Intraductal Oncocytic Papillary Neoplasm-Derived Pancreatic Cancer Requires Continued Surveillance.Annals of surgical oncology · 2025Article
Corrections and comments
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Authors and funding
22 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIntraductal papillary mucinous neoplasm (IPMN)-derived pancreatic cancer was previously categorized into tubular, colloid, and oncocytic subtypes. Intraductal oncocytic papillary neoplasms (IOPN) has long been associated with superior prognosis/indolent behavior, however, there is discordant emerging evidence. This study aimed to investigate this conflicting literature.
methodsPatients with resected IOPN-derived and IPMN-derived pancreatic cancer were identified from six international centers. Log-rank tests compared time to (TtR) and survival after (SAR) recurrence and five-year overall survival (OS). A multivariable mixed model was used to determine hazard ratios (HR) with confidence intervals (95%CI) for five-year survival.
resultsOf 879 patients, 20 (2%) had IOPN-derived pancreatic cancer. Most patients had T1 (55%) or N0 (70%) disease. IOPN and colloid IPMN-derived pancreatic cancers had similar recurrence rates (25% vs. 24%), while recurrence was more common in tubular IPMN-derived pancreatic cancer (42%, p < 0.001). IOPN-derived pancreatic cancer displayed a longer TtR and SAR compared to colloid and tubular IPMN-derived pancreatic cancers. IOPN-derived and colloid IPMN-derived cancers demonstrated significantly lower 5-year mortality risks compared to tubular IPMN-derived cancers (74% and 27% risk reduction, respectively; p < 0.05).
conclusionIOPN-derived pancreatic cancers have excellent OS. However, some patients have poor prognostic factors and are at risk for both local and systemic recurrence. Given more indolent disease progression given delayed TtR and prolonged SAR compared to colloid and tubular IPMN-derived pancreatic cancers, there may be a role for prolonged surveillance.
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